Fortuitous formerly denoted "happening by chance" and later took on the meaning “fortunate”. Such change of word-meaning is caused by________ .
A、the influx of borrowings
B、psychological factors
C、historical reason
D、analogy
【正确答案】：D
【题目解析】：fortuitous 的含义逐渐与fortunate 一样，这里没有外来语，心理因素和历史因素的影响，很可能是因为这两个词拼写相似，所以答案是D。答案依据在课本第144页到145页。
