She was tired of ----- trips to the grocery,school and offic

个人认为选
C.continual
区别于continuous,指有规律地或经常地再发生.
全句译为“她厌倦了不断往返于超市、学校和办公室之间.”
不能单纯看be tired of + doing,因为加形容词修饰的名词也可以
谨供参考,不是很确定.