这几句英语哪句是对的?

A.Hi,I was wondering if you could tell me how can I get to sherlock holmes's house?
错,宾语从句,从句要用陈述句语序,can I 要变成 I can,但时态要与主句一致,故变成 I could
B.Hi,I was wondering if you could tell me how I can get to sherlock holmes's house?
错,时态要与主句一致,故变成 I could
C.Hi,I was wondering if you could tell me how could I get to sherlock holmes's house?
错,宾语从句,从句要用陈述句语序,could I 要变成 I could
D.Hi,I was wondering if you could tell me how I could get to sherlock holmes's house?
对
E.Hi,I was wondering if you could tell me how to get to sherlock holmes's house?
对,这是省略式.how i could get to ...省略成 how to get to ...