—Excuse me. But I want to use your computer to type a report.

—You _____have my computer if you don’t take care of it .

A．shan’t

B．might not

C．needn’t

D．shouldn’t

反循环压井是将压井液从环形空间泵入井内顶替井内流体，由管柱内上升到井口的循环过程。