The cellphone, a device we have lived with for more than a decade, offers a good example o

f a popular technology's unforeseen side effects. More than one billion are (1)_____ around the world, and when asked, their (2)_____ say they love their phones for the safety and convenience (3)_____ provide. People also report that they are (4)_____ in their use of their phones. One opinion survey (5)_____ that "98 percent of Americans say they move away from (6)_____ when talking on a wireless phone in public" (7)_____ "86 percent say they 'never' or 'rarely' speak (8)_____ wireless phones" when conducting (9)_____ with clerks or bank tellers. Clearly, there exists a (10)_____ between our reported cell phone behavior. and our actual behavior.

Cellphone users—that is to say, most of us—are (11)_____ instigators and victims of this form. of conversational panhandling, and it (12)_____ a cumulatively negative effect on social space. As the sociologist Erving Gateman observed in another (13)_____, there is something deeply disturbing about people who are" (14)_____ contact" in social situations because they are blatantly refusing to (15)_____ to the norms of their immediate environment. Placing a cellphone call in public instantly transforms the strangers around you (16)_____ unwilling listeners who must cede to your use of the public (17)_____, a decidedly undemocratic effect for so democratic a technology. Listeners don't always passively (18)_____ this situation: in recent years, people have been pepper-sprayed in movie theaters, (19)_____ from concert hails and deliberately rammed with cars as a result of (20)_____ behavior. on their cellphones.

A．now using

B．got used

C．in use

D．to be used