You’re going to make a presentation about people’s increasing reliance on mobile phone. Which of the following is not appropriate to be used to grab audience’s attention in the opening of a presentation?

A、Youopenwithaquotation:“Iftelevision'sababysitter,theInternetisadrunklibrarianwhowon'tshutup.”
B、Youaskaudiencetoimaginewhatiftheylivewithoutmobilephonefortwodays.
C、Youdisplayapictureinwhichallthepeopleareplayingwithmobilephonesonasubwaycar.
D、Youopenwithaquestion:“CouldyoutellmehowoftenyouupdateyourWe-chatMoments?”