单项选择题 The answer lies largely _____ the now-pervasive use of information technology throughout the economy.onC、 ofD、 with

单项选择题 Federal budget talks were _____ a standstill until May 3.inC、 atD、 with

单项选择题 Higher productivity also means that the economy may be _____ of sustaining 5% unemployment rates or lower without triggering inflation.ableC、 interestedD、 efficient