(A) The people who (B) they hadn't seen the weather forecast (C) were

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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.

(A) The people who (B) they hadn't seen the weather forecast (C) were caught (D) unaware by the hurricane

The

they

were

unaware

Giải thích

Đáp án B

Who: là đại từ quan hệ, thay thế cho chủ ngữ chì người

E.g: The girl who is sitting next to Mike is my younger sister

=> Đáp án B (they => bỏ they)