With the financial crisis ________ across the globe, a lot of companies have shut down and many people have been out of work.

A．to spread

B．spreading

C．being spread

D．having spread

确定市场调查的范围和重点应以项目为核心，半径在（）公里的范围是重中之重。

A.1

B.2

C.4

D.5