单选题 I second Mr. Smith's motion that we ______ a special board to examine the problem.
A. set up B. have to set up C. are to set up D. may set up

【正确答案】 A
【答案解析】[解析] motion是动词move(提议)的派生名词，move的宾语从句谓语需用虚拟语气，motion的同位语从句或表语从句的谓语也需用虚拟语气(should+动词原形)。