A．He and Elizabeth argued recently.
B．He'd rather study in his own dormitory.
C．He heard Elizabeth did poorly on the last test.
D．He doesn't want to bother Elizabeth so late in the evening.
A．To ask her to look at his design proposal.
B．To get her feedback on his design proposal.
C．To hand a better design proposal to her.
D．To ask her about his results of the final exam.
A．Producing non-radioactive cell phones.
B．Making cell phones more attractive.
C．Adding more interesting games to cell phones.
D．Designing user-friendly cell phones.