It is what parents say and do that really matters in children’s character training.

问题补充：

--- It is what parents say and do that really matters in children’s character training.

--- .

A. Properly

B. Doubtfully

C. Simply

D. Absolutely

答案：

A. Properly

B. Doubtfully

C. Simply

(答案→)D. Absolutely

解析：词义辨析。Properly 适当地，恰当的； Doubtfully可疑地，含糊地；Simply简单的； Absolutely绝对的。句意：父母所说的和所做的对孩子的性格培养确实相当重要。绝对的。所以选D。