Can you make________ whether you are on his side or on my side？

Can you make________ whether you are on his side or on my side？

A.clear it

B.it clear

C.it clearly

D.clearly it

答案及解析： B

make it clear把……弄清楚／讲明白，it是形式宾语，后面的从句是真正的宾语。