Fortuitous formerly denoted "happening by chance" and later took on the meaning “fortunate”. Such change of word-meaning is caused by（） .

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