2004-2013年全国各地高考英语试题分类汇编:定语从句
〖04全国I〗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
〖答案〗A
〖考点〗考查定语从句加介词。