问题
Many suggestions ________ at yesterday’smeeting . However , neither the manager nor the engineers could ________ goodsolutions to the problems.
A: came up with ; come up
B:came up ; come up with
C:were come up ; come up with
D: werecome up with ; come up
B:came up ; come up with
C:were come up ; come up with
D: werecome up with ; come up
正确答案是：
