No one helped me. I did it all myself. A. for B. by C. from D. to

 No one helped me. Idid it all            myself.

A. for   B. by   C. from        D. to

试题答案

【答案】

 B 

（all）by oneself意思为alone“单独；靠自己”；for oneself 意为“为自己”；to oneself 意为“自私的”；“为..所独有”。