从文件中读取一个字符串的库函数是什么？

tells us tht ______.computers cn not yet tell us wht symptoms ptient hs B．computers now cn remind you to turn off the lights in the bsement C．theuthor hs cr tht cn think for itself D．some computers now cnlredy mke loud complintsA．computers can not yet tell us what symptoms a patient hasB．computers now can remind you to turn off the lights in the basementC．the author has a car that can think for itselfD．some computers now can already make loud complaints