Tom couldn't see there was any point in ____ they had been investigating ,so he dropped out.

Tom couldn't see there was any point in ____ they had been investigating ,so he dropped out.
A. which B. where C. what D. that
选哪个?为什么?请帮助翻译一下句子.

i couldn't see you tom couldn't say what it was_made him so upset. couldn't翻译 couldn't是什么意思 It was dark. I couldn't see the thief. But I could hear him speak / speaking. 选哪个？ 1.With what should be done ____,he left the office and couldn't wait to see his girlfriend. Couldn't find NTLDR couldn't 和 shouldn't I didn't see her in the meeting-room this morning. she(couldn't have spoken) at the meeting Error:loader couldn't initialize service!