Brian : diah, can i use your headphone for the webinar? diah : sure . just get it on my desk. brian : thank you . anyway , is it wireless? diah : yes , it is . why ? brian : i'm afraid i don't need any kinds of receiver module . it uses bluetooth pairing for the connection . i believe that your laptop has a bluetooth feature . it has a similiar model to minebrian : oh , i see . i'ii figure out how to connect it properly .
diah: just call meif your find any difficulties.
brian: all right . thanks .

1. how to operate a wirless headphone according to the dialog?
a. plug the cable onto the audio jack.
b.connect it to a wirless receiver module
c.pair the headphone to the bluetooth connection
d.put on the headphone and it is ready to use

2.why does brian want to borrow diah's headphones?
a. he wants to listen to music.
b.he is going to call somebody
c.he plans to watch a movie tonight
d. he wants to join an online seminar

3. why does diah so sure that her wireless headphone can be paired to brian's laptop?
a. he understands how to pair the headphone well
b.she has a similiar laptop model to brian's
c.it is using ordinary bluetooth connection.
d.the headphone is very easy to pair.​