单选题
Do you have any idea what Jim does all Sunday? He spends as much time idling about as he does______.
【正确答案】
B
【答案解析】此题测试的是平行结构问题，即在并列或比较结构中，并列或比较的成分在语法形式上应一致。如该句中应为：He spends as much time idling about as he spends (much) time studying．句中does代替spends，idling 与studying平行。