It is often that human beings are naturally equipped to speak.A. saidB. to sayC. sayingD.

问题补充：

It is often that human beings are naturally equipped to speak.

A. said

B. to say

C. saying

D. being said

答案：

(答案→)A. said

B. to say

C. saying

D. being said

解析：考查句型：It is said that 据说… ，句意：据说人类天生就配备会说话的能力。所以选A。