Official figures show that unemployment ______ in November and then fell slowly over the next two months.

【正确答案】 D

【答案解析】 动词词义辨析。plod“沉重缓慢地走”；peep“窥视，偷看”；plunge“投入，跳进，陷入”；peak“到达最高点”。根据句中and then fell slowly判断，此处是指“失业达到了顶峰”。故答案为D。