.It wasn’t until we had sat down to eat_______ we got back to the subject of Tom Holliday.
问题描述：
.It wasn’t until we had sat down to eat_______ we got back to the subject of Tom Holliday.
A.when\x05\x05\x05B.what\x05\x05\x05\x05C.that\x05\x05\x05\x05D.which
答
cwhyNot until.....that....固定句型直到 才