Which method would provide the best synthesis of ethyl isopropyl ether?

Question 5Select one:

C. CH3CH2OH + (CH3)2CHOH ------->


B. CH3CH2ONa + (CH3)2CHBr --------->


A. (CH3)2CHONa + CH3CH2Br ---------->


D. CH3CH2ONa + (CH3)2CHOH --------->