下列哪个药是葛兰素史克的产品（）。
A.辅舒良
B.内舒拿
C.雷诺考特
D.氯雷他定
参考答案：A
Mr. Smith is very happy because the cars made in his factory have never been ______.
A．popular
B．more popular
C．most popular
D．the most popular
界面效应
