Điền từ thích hợp vào chỗ chấm

There was also a second problem (1)_______ dot coms did not anticipate. Yes, internet traffic was increasing enormously, (2) _______ people still felt uncomfortable - many still do, in fact - about buying products and services online. Even if the dot coms had come up with sensible business ideas, it’s unlikely they would have brought in enough to cover their initial investment. There were (3) _______ exceptions , of course.

Question 1: A. which        B. who                          C. where                        D. when

Question 2: A. as               B. but                            C. so                              D. despite

Question 3: A. another      B. much                        C. some                         D. any