Choose the closest paraphrased version after the following sentence or the italicized part.
He was thoughtful all through breakfast-time.（ ）
A、
He was deep in thought all the time he was having breakfast.
B、
He was very considerate of others while having breakfast.
C、
He hit upon a wonderful idea while having breakfast.
D、
He considered all the possible things at breakfast.
【正确答案】：A
【题目解析】：
句子释义：他吃早饭时一直在琢磨着。
A选项“他吃早饭时一直在沉思”符合题意。
