—It’s reported that more than 20 people have died of H7N9 so far.—.A. It doesn’t matterB.

—It’s reported that more than 20 people have died of H7N9 so far.
— .
A. It doesn’t matter
B. Sounds sad
C. Never mind
D. I’m afraid so

A. It doesn’t matter(答案→)B. Sounds sadC. Never mindD. I’m afraid so解析：It doesn’t matter没关系；sounds sad听起来很伤心；Never mind 别介意；I’m afraid so恐怕如此。根据上文，据报道，到目前为止已有超过20人死于H7N9流感。结合语境可知选B。

谢谢了