Tourism operators targeting senior tourists usually provide activities that are not too physically .

Question

Tourism operators targeting senior tourists usually provide activities that are not too physically      .

Accepted Answer

正確答案為 B。demanding 形容詞意為「費力的、要求高的」，physically demanding 是固定搭配，指「耗體力的活動」。年長者當然要避免這類活動，語意完全正確。