— My brother hurt his legs when he rode his bike on the way back home.— .A. that’s too bad

问题补充：

— My brother hurt his legs when he rode his bike on the way back home.

— .

A. that’s too bad

B. he is very careless

C. be careful next time

D. I’m sorry to hear that

答案：

A. that’s too bad

B. he is very careless

C. be careful next time

(答案→)D. I’m sorry to hear that

解析：A. 那太糟糕了；B.他很粗心。C.下次小心点；D.很遗憾听到这个消息。根据上文，在他骑车回家的路上，我的哥哥弄伤了他的腿。可知选D最符合语境。