7、9.A.Because she believed eggswerenotveryexpensiveandalsocontainedalotofprotein. B.Becauseshethoughtherheartwasstrongandeatingtoomuchproteincouldnothurtherheart. C.Because she had been toldthateatingeggscouldhelphertohaveafinefigure. D.Becauseshelikedeggssomuchthatshecouldnotst