Without this treatment, the patient would have died. A. If it hadn't been

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Without this treatment, the patient would have died.

If it hadn't been for this treatment, the patient would have died.

Unless the patient hadn't had this treatment, he would have died.

Had not the patient had this treatment, he would have died.

But for the patient had had this treatment, he would have died.

Giải thích

Đáp án đúng: A

Giải thích: Cấu trúc câu điều kiện loại 3:

- Đảo ngữ với Without: Without + danh từ/cụm danh từ, S + would have V3

- Cấu trúc thường: If it hadn’t been for + danh từ/cụm danh từ, S would have V3

Dịch: Nếu không có phương pháp điều trị này, bệnh nhân đã chết