the year before 是什么意思? ?

问题描述:

the year before 是什么意思? ?
例:He retired in 1991 ,the year brfore China 's manned space programme was started .
问 :China 's manned space programme was started in ( )
A 1991 .B 1992 .C 2003
(解释下,谢谢!)

b
the year before 前一年
1991的前一年,所以是1992年
He retired in 1991 ,the year brfore China 's manned space programme was started .
他1991年退休,就是中国载人航天计划开始的前一年.
问 :China 's manned space programme was started in1992
中国载人航天计划在1992年开始.