Question

_________ you are here, you should put all your heart into your work.

A.Now that
B.Because of
C.As a result
D.Since then

Answer 1

【答案】：A

本句意为：既然你在这里，你就应该把自己全身心投入到工作中去。nOW that“既然，由

于”，引导原因状语从句。故选A。