and the problem will be worked out.A. If you have a bit more effortB. Having a little ef

问题补充：

, and the problem will be worked out.

A. If you have a bit more effort

B. Having a little effort

C. A bit more effort

D. There being a little effort

答案：

A. If you have a bit more effort

B. Having a little effort

(答案→)C. A bit more effort

D. There being a little effort

解析：考查祈使句的用法。根据后文的and可知为：祈使句+and+一般将来时。此处应为Make a bit more effort，and…