Đáp án C
Loyalty /'lɔiəlti/ (n): lòng trung thành
- Loyal (adj): trung thành
- Remain + adj
- Even though + mệnh đề; Mặc dù
Tuy nhiên nếu 2 mệnh đề cùng chủ ngữ thì ta có thể rút gọn mệnh đề đó.
Câu chưa khi rút gọn: Even though Maryland was a southern state, Maryland/ it remained loyal to The Union during the Civil War. (cùng chủ ngữ) => Even though a southern state, Maryland remained loyal to The Union during the Civil War. Hoặc: Maryland, even though a southern state, remained loyal to The Union during the Civil War.
Đáp án c (loyalty => loyal)