choosing one option; multiple choice
Means selecting exactly one from two or more alternatives. Common in compounds and phrases such as 二者択一, 択一問題, and 択一式.
試験は択一式で行われる。
The exam is given in multiple-choice format.
He was forced to choose between two alternatives.
Pick one of the two proposals.
I was forced to make a choice between staying at the company or quitting.
This exam has a lot of multiple-choice questions.