From the triple loop she executed after five minutes , he suspected that she had managed to sneak off for flying more often than during the summers and wondered just how diligent George was about practicing on his own time .

Question: What is the reason for his suspicions ?
Answer: She is performing much more advanced flying maneuvers than someone who just started taking flying lessons .She is naturally quite good at flying an air plane and performing advanced maneuvers .None of the above choices .She has impressed the pilot with maneuvers that are advanced .