Plan your shopping _________ time．Avoid last-minute rushes to the grocery store when you are hungry．
A.in front ofB.out ofC.ahead ofD.apart from在线课程C
解析：
根据第二句的Avoid last-minute rushes to the grocery store…可推知应用ahead of time(提前)。in front of(方位上)在……之前；
out of time不合时宜的；
apart from此外。