A

根据1988可以定位在第二段，根据第二段的二、三句话In 1979,Fowler started a tutoring company that became so successful he was able to sell out retire in 1988一a multimillionaire at 40. He bought a 50-foot cabin cruiser（可住宿的游艇）a house in Hawaii,busied himself vacationing.可知“1988年Fowler退休后在夏威夷买了游艇和别墅，整日忙于旅行度假”，故该说法正确。