问题:
Facing the emergence, we were at a loss and none of us could ______ a solution to the problem.
A.come about
B.come out
C.come up against
D.come up with
Facing the emergence, we were at a loss and none of us could ______ a solution to the problem.
A.come about | B.come out | C.come up against | D.come up with |
参考答案: