1 . —Why can't you get used to the life in Beijing?
—________ the crowed traffic ________ the high living cost. The only reason is the badly polluted air.

A．Not only; but also

B．Either; or

C．Both; and

D．Neither; nor

2 . —What do you think of our performance?
—To be honest, ________ Jane ________ I am satisfied with your answers.

A．neither, nor

B．both, and

C．either, or

D．not only, but also