ACCorDing to thE First pArAgrAph, it CAn BE inFErrED thAt in prEsiDEnt nixon's First tErm ____________.
A．hE mADE A sEriEs oF rEForms suCh As soCiAl rEForm AnD EDuCAtion rEForm
B．hE nominAtED mAny oFFiCiAls to thE vArious DEpArtmEnts
C．AmEriCAns mADE A BrEAkthrough in thE spACE tEChnology
D．AmEriCAns took intErEst in thE spACE tEChnology