________people in the world are sending information by e-mail every day.如题 ________people in the world are sending information by e-mail every day.A.several B.many millions C several millions D many million

问题描述:

________people in the world are sending information by e-mail every day.如题
________people in the world are sending information by e-mail every day.A.several B.many millions C several millions D many million

D. Many million

A 其余选项后面要跟of才对.