Parents should be in the way they teach their children so that the children know how to

问题补充：

Parents should be in the way they teach their children, so that the children know how to do.

A. compulsory

B. complex

C. convention

D. Consistent

答案：

A. compulsory

B. complex

C. convention

(答案→)D. Consistent

解析：词义辨析。A义务的，必须的；B复杂的；C会议；D一致的；结合句意可知D正确。句意：父母在教育孩子的方式上必须保持一致，以至于孩子知道如何做。