单选题 He pondered her words thoroughly.
【正确答案】 A
【答案解析】[解析] 借助句意“他仔细掂量她所说的话。”判断A是答案。think over“仔细考虑,重新考虑”;think up“想出,想起”;think of“考虑,关心,想起”;think out“彻底思考,设计出,解决”。