一道高中英语单项选择题 急啊

问题描述:

一道高中英语单项选择题 急啊
( ) ,I guess, and you can make it.
A Making more efforts
B A bit more efforts
选出答案并说明道理

B
I guess为插入语
A bit more efforts为祈使句简化
整个句式为 祈使句+and+陈述句 (固定句式)
中间I guess为插入语 可以去掉