I have indicated what I think should be done to overcome our present difficulties, but if anyone can think of a better course of action I am open（ ）suggestions．
A、
to
B、
with
C、
on
D、
towards
【正确答案】：A
【题目解析】：
be open to：对...开放，对..愿意接受，选A。句意：我已经指出了我认为应该做些什么来克服我们目前的困难，但如果有人能想出更好的行动方针，我愿意听取建议。