【题目】The journey around the world took the old sailor nine months, the sailing time was 226 days.
A. of which B. during which
C. from which D. for which
在线课程【答案】A
【解析】
试题分析：考查定语从句介词搭配which的用法。句意：这次世界环游花了这位老水手9个月时间，其中的航海时间是226天。根据句意，旅行中的航海时间，用of 短语表示the sailing time of the journey was 226 days，故选A项。
考点 : 考查定语从句