Question

       grandfather worked very hard,       he couldn’t support the big family.

A．Though, but

B．/, and

C．Though, and

D．Though, /

Answer 1

D

連詞辨析。Though雖然，盡管；but但是；and和，并且。句意：雖然我的爺爺工作非常努力，但是他也不能維持這個(gè)家庭。Though本身即可表示雖然但是的含義，故選D。