The phrase "also complained that it" is correct and usable in written English.
You can use it when discussing someone's grievances or issues they have raised about a particular subject or situation.
Example: "The employee also complained that it was difficult to meet the deadlines due to the lack of resources."
Alternatives: "also expressed dissatisfaction that it" or "also raised concerns that it".
Users have also complained that it has been hard to contact Google to complain about problems.
After the attack, Mr. Strelchenko said he had played no role in it, but also complained that it was getting too much attention.
Though funeral directors at conventional mortuaries contend that Plaza poses no challenge to them, they have also complained that it has unfair competitive advantages.
Although he called the speech "a bold attempt," he also complained that it was "long on rhetoric and short on specifics". Commentator Bill Schneider, among CNN's guests, disagreed with Dobbs and called Bush's speech a "very cautious" one.
The directive is universally hated by the digital platforms as it would require them to increase enforcement of uploaded content (many civil society groups have also complained that it might criminalize memes and even sharing of links).
He also complained that it raised the appearance of favoritism, in part because a large subcontract was to be awarded to a company set up by a former Giuliani official, Richard J. Schwartz.
They also complain that it is inhumane and unfair to separate prisoners from their families by hundreds of miles.
Alaska, Inc., also complains that it was clearly entitled to an offset or to deduct from the plaintiff's claim for wages admittedly due by Alaska, Inc., payments made by plaintiff on a purchase contract for a house in Anchorage, Alaska.
Firms that rely heavily on part-timers, aghast at how much this will cost, are also complaining that it will generate lots of extra paperwork, which they may eventually outsource to temping agencies.
Farmers also complain that it still doesn't go far enough to meet their needs and wouldn't be a viable option for their existing undocumented workforce.
The 31 editors also complain that Frontiers has been vague about its relationship with Nature Publishing Group (NPG).
