expense we must take every measure to save the old man’s life.A. Because ofB. As a resul

问题补充：

expense, we must take every measure to save the old man’s life.

A. Because of

B. As a result of

C. Regardless of

D. With regard to

答案：

A. Because of

B. As a result of

(答案→)C. Regardless of

D. With regard to

解析：词义辨析题。A. Because of因为 B. As a result of 因为 C. Regardless of不管、不顾 D. With regard to 关于不管花费多少我们必须采取一切措施挽救老人的性命。根据句意选C