The phrase "a leading option" is correct and usable in written English.
It can be used when discussing choices or alternatives, particularly in contexts where one option is considered to be the most favorable or prominent among others.
Example: "After reviewing all the proposals, we found that the new software solution is a leading option for improving our workflow."
Alternatives: "a top choice" or "a primary selection".
Lignocellulose-based bioethanol is a leading option among alternatives to petroleum-derived transportation fuels due to its potential sustainability.
"Grid-level storage" using batteries is currently a leading option, but Li-ion batteries are still incredibly expensive.
Most people here learned over the weekend that the Obama administration considered Thomson a leading option in its plan to close the military detention facility in Cuba.
A leading option is for the ECB to buy bonds on the secondary market while the rescue funds share the burden by buying them on the primary market.
Mr. Prendergast suggested that aboveground floodwall panels, to be placed over station stairwells or sidewalk vents, were seen as a leading option to protect the system.
A leading option under consideration, according to senior administration officials, is to reduce the American nuclear force to a range of around 1,800 to 2,250 warheads, from current levels above 6,000.
The starch could be a safer way of storing energy than using methanol, a current leading option for such small fuel-cell systems.
BBC sources say that one leading option under consideration is an extended Scottish Six news programme with far more UK and global news.
Rather than compare the best-performing possibility with a nonexistent risk-free option, the team can compare the risk of the leading option with the risk of the status quo and reach a decision in that context.
Kevin Ewoldt of Hogs Haven: If Washington was just awarded a NFL franchise and the team announced "Redskins" was the leading option, there would no doubt be outrage everywhere.
But as most pet owners know, the family-lodging category is by far the leading option.
