阅读以下材料，完成下题：

长风公司发行可转换债券，规定持有人在转换日以10股换取一份可转换债券，该公司股票的基准是42元。

如果该公司股票的基准价格是42元，则该可转换债券的转换贴水是（）元。

A.3.2

B.3.1

C.3.3

D.3.4

—Nice to see you again after all these years. What _____?

—Well, I’ve tried many things since we left school. I’m now working for a large oil company.

A．have you done

B．were you doing

C．did you do

D．have you been doing