Question

He is an artist _________; he lives by selling his pictures．

1. A.
   by name
2. B.
   for convenience
3. C.
   by profession
4. D.
   in particular

Answer 1

C
解析：
by name凭名字；for convenience为了方便；by profession就职业来说；in particular特别。句意：他是一个职业画家，他以卖画为生。