求救!in order not to be disturbed,I spent th

题目

求救!in order not to be disturbed,I spent th
in order not to be disturbed,I spent three hours__in my study.
A.locking B.locked C.to locked D.being locked
in order not to be disturbed,I spent three hours__in my study.
A.locking B.locked C.to locked D.being locked

答案

你的答案错了
in order not to be disturbed,I spent three hours___ up in my study.
A.locking B.locked C.to locked D.being locked
答：选b
解析：答案为b,但考生易误选a,以为是考查spend...（in）doing结构.其实,不是“锁门”花去了三小时,而是“将自己锁在书房里度过了三小时”,用过去分词短语作伴随状语.
而C本身就没有这种表述