Mr. Black is very happy because the clothes made in his factory have never been .
A. popular
B. more popular
C. most popular
D. the most popular
网友回答
A. popular
B. more popular
C. most popular
D. the most popular
解析：：考查形容词用法。否定词与比较级连用表示最高级。Never与more popular连用，表示最流行的，最受欢迎的。句意：布莱克先生非常开心，因为在他的工厂中生产的衣服从来没有这样受欢迎。故B正确。