只有立足国内资源,实现粮食自给,才能解决中国粮食供需问题。

只有立足国内资源,实现粮食自给,才能解决中国粮食供需问题。
A、Only by relying on the domestic resources and self-sufficiency the problem of grain supply and demand in China can be solved.
B、Only by relying on the domestic resources and self-sufficiency can the problem of grain supply and demand in China be solved.
C、The problem of grain supply and demand in China only can be solved by relying on the domestic resources and self-sufficiency.
D、The problem of grain supply and demand only in China can be solved by relying on the domestic resources and self-sufficiency.
【正确答案】：B