Question

Let’s learn to use the problem we are facing      a stepping-stone to future success.

A. to                                   B. for                    C. as                            D. by

Answer 1

C

解析:

句意：让我们学会利用把我们所面对的问题作为通向未来成功的手段。A项“朝，对”；B项“为了，对于”；C项“当作”；D项“通过，凭借”。