Because he wore a strange collection of clothes and often talked to himself, his neighbor considered him
eccentric
.
【正确答案】
D
【答案解析】解析：题干：他穿的衣服已经很奇怪了，还不时自言自语，邻居们都认为他很古怪。eccentric怪的，古怪的；peculiar奇特的，罕见的；ecstatic入迷的，心醉神迷的；energetic精力充沛的。exotic外来的，有异国情调的。根据题意，本题选D。