Question

【题目】He doesn’t stop working he is so tired.He’s really hard-working.

A. so B. because C. although D. but

Answer 1

【答案】C

【解析】句意：虽然他很累，但他还是不停地工作。他真的很努力。考查连词辨析题。A. so因此，表结果；B. because因为，表原因；C. although尽管，表让步；D. but但是，表转折。根据句意和语境，可知本句是让步状语从句，故选C。