It can be learned from Paragraph 3 that the success of fast-food restaurants depends on（ ）.
A.loyal customers and efficient service B.higher technology and faster speed C.more production and lower cost D.good quality and authentic taste正确答案C
It can be learned from Paragraph 3 that the success of fast-food restaurants depends on（ ）.
A.loyal customers and efficient service B.higher technology and faster speed C.more production and lower cost D.good quality and authentic taste正确答案C
