how Do soFtwArE CompAniEs mAkE BusinEsshow Do thE BAsiC mArkEt prinCiplEs oF CompEtition AnD ChoiCE AFFECtAmEriCAn liFE
A、pEoplE hAvE morE options For Air trAvEl, phonE sErviCE, But not For mEDiCAl CArE AnD postAl sErviCE.
B、pEoplE hAvE morE options For CArs But not For ElECtriCity.
C、pEoplE hAvE morE options, whiCh trAnslAtEs into unprECEDEntED ConsumEr powEr.
D、pEoplE FEEl unEAsy ABout A BEwilDEring ArrAy oF options.