If you ________ to take this attitude，we’ll have to ask you to leave．

If you ________ to take this attitude，we’ll have to ask you to leave．

A.insist

B.keep

C.choose

D.stick

答案及解析： C

解析：

insist on/keep(on)后接doing；

stick to中的to是介词；

choose to do意为“偏要做某事”。