How many morphemes are there in the word denaturalization?（ ）

How many morphemes are there in the word denaturalization?（ ）
A、2
B、3
C、4
D、5
【正确答案】：D
【题目解析】：本题考查denaturalization所含词素个数。denaturalization可以划分为de-，nature，-al，-ize，-ation五个部分。故D选项符合题意。