30． the news that her son was still alive tears rolled down the old woman’s face.A. Heari

问题补充：

30． the news that her son was still alive, tears rolled down the old woman’s face.

A. Hearing

B. heard

C. Having heard

D. When she heard

答案：

A. Hearing

B. heard

C. Having heard

(答案→)D. When she heard

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