The phrase "asked at that time" is correct and usable in written English.
It can be used to refer to a specific moment in the past when a question was posed or an inquiry was made.
Example: "The information I needed was what I asked at that time during the meeting."
Alternatives: "inquired at that moment" or "questioned back then".
Many critics of Google's move asked at that time if Google was not being hypocritical in singling out China.
He asked at that time to have until the end of February to conclude his work, and he has not asked for another extension.
If I had been asked at that time about her teaching, I would have rated her far lower than she deserved.
When asked, at that time, whether he should follow White House ethics rules and disclose his Wertheim clients, Mr. Coelho refused, saying that since he was an unpaid and temporary volunteer, the rules did not apply to him.
At a House hearing in 2016, Comey vehemently denied any decision had been made not to charge Clinton before the 2 July interview, but he was not asked at that time when he began to prepare his public statement.
Some skeptics asked, at that time, what faculty members at an institution like Yale could possibly offer to teachers whose students are different from Yale students in so many respects and, furthermore, why these faculty members would even be interested in trying to help in improving local schools.
It would have been the wrong question to ask at that time".
A prosecutor asked at the time that the case remain secret for one week to determine whether Mr. Abassi would be "in a cooperative posture with the government," a transcript shows.
As one top producer asked at the time, what happened that made "the nicest guy in town blow his stack"?
The main questions that were asked at the time of the conference were the following: (1) How much further does the dollar need to depreciate? (2) Against which currencies does it need to depreciate?
One of the burning questions that is invariably asked at this time of year is: "We're familiar with the Bed and the Bath, but what exactly is the Beyond?
