【题目】When I came back home, I wrote him a letter to show my ________ of his thoughtfulness.
A.appreciation
B.agreement
C.attention
D.achievement

【答案】A
【解析】考查名词。句意：当我到家的时候，我写给他一封信表达我对他的周全考虑的感激之情。A项表示“欣赏，感激”；B项是“同意，一致”之意；C项表示“注意”；D项是“成就”，故选A项适合。