A:(1,+∞)
B:(2,+∞)
C:(﹣∞,0)
D:(﹣∞,1)
下图是2009~2013年我国国内生产总值及其增长速度图,我们取得这些成绩的根本原因,归结起来就是( )
—Jack hasn't taken his piano lessons for a long time.
—He is considering _________ his piano course and spending more time on his study.