Economic means "in the economy" while economical means "money-sa

Economic means "in the economy" while economical means "money-saving". This example shows that both -ic and -ical can be affixed to the same stem, but differ in（ ）.
A、meaning
B、grammar
C、stress
D、symbol
【正确答案】：A
【题目解析】：本题考查形容词词缀。meaning：意义；grammar：语法；stress：重音；symbol：象征。economic中形容词后缀-ic表示“经济的”；economical中形容词后缀-ical表示“节约的”。可见这两个不同的形容词后缀改变了词的意义。所以A项符合题意。