Bộ câu hỏi: Rút gọn mệnh đề trạng ngữ (Có đáp án)

_______ to seek employment for months, he was finally offered a job at a marketing firm. A. Has struggled B. Have struggled C. Struggled D. Having struggled

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_______ to seek employment for months, he was finally offered a job at a marketing firm.

Has struggled

Have struggled

Struggled

Having struggled

Giải thích

Chọn đáp án D