試題詳解

46 What is the main idea of the third paragraph?
(A) To make noise on windows, knocker-ups often relied on long, light bamboo sticks.
(B) To accomplish their tasks, knocker-ups would not leave until their clients woke up.
(C) To wake up their clients, knocker-ups used a tool from which they could shoot dried peas.
(D) To ensure a successful job, knocker-ups had adopted several creative knocking-up methods.