听下面一段较长对话,回答以下小题。
14. What did Fitbit say about the recent study?
A.It was false. | B.It hurt their business. | C.It was reasonable. |
15. When does the man use his Fitbit?
A.Only when he’s exercising. | B.During the daytime. |
C.All the time. |
16. What does the man think of his Fitbit?
A.It’s uncomfortable to wear. | B.It isn’t useful. |
C.It’s worthwhile to buy one. |