M: I always begin my lecture with a joke. That puts the audience at ease. ,F: They laughed to put you at ease.
(A) M: Although I like to begin my lecture with a laugh, attention is unresponsive. (B) M: I’m sorry, I didn’t catch that. Would you mind speaking more slowly? (C) M: Although the audience doesn't laugh, I like to begin my lecture with a smile. (D) M: Although the audience doesn't laugh, I like to begin my lecture with a joke
B