whAt DoEs thE First sEntEnCE in thE pAssAgE inDiCAtE
A．thE AmEriCAns owED A lot oF monEy to thE mExiCAns.
B．thE AmEriCAns loAnED A lArgE sum oF monEy to thE mExiCAns.
C．thE AmEriCAns shArED thEir tEChnology with thE mExiCAns.
D．thE mExiCAns hAD in mAy wAys hElpED thE AmEriCAns.