It is so nice to hear from her. we last met more than thirty years ago.A. What's more B.

问题补充：

It is so nice to hear from her., we last met more than thirty years ago.

A. Whats more

B. That is to say

C. In other words

D. Believe it or not

答案：

A. Whats more

B. That is to say

C. In other words

(答案→)D. Believe it or not

解析：考察交际用语。 Believe it or not信不信由你.由于两人最后一次见面距现在已经有三十多年了,为了让对方相信这是事实,用了这种表达方式.Whats more另外;That is to say这就是说;In other words换句话说.根据句意说明D正确。