Mark the letter A, B, C, or D on...

Câu hỏi: Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions
Maryland, (A) leven though a southern state, (B) remained (C) loyalty to The Union (D) during the Civil War

A. leven though 

B. remained

C. loyalty

D. during