No one helped me . I did it all myselfA.forB.byC.fromD.to

No one helped me . I did it all         myself

A.for

B.by

C.from

D.to

试题答案

B

考查介词与代词的搭配构成的短语的辨析。for oneself亲自；by oneself单独，独立；to oneself独占, 独用;from oneself从自己。根据句意应选B，我自己能做它。