【题目】A lot of new solutions to the problems ______at the meeting on Wednesday, which are still waiting to be decided on by the manager.
A.came on
B.came out
C.came up
D.came back

【答案】C
【解析】考查动词短语。句意：在星期三的会议上，问题的许多新结论被提出，这仍然要等着经理决定。A. came on ”快点“； B. came out ”出现“； C. came up”走进，被提出“； D. came back”回来“。根据句意可知答案为C。