【单选题】
A he has carried out at least three take-off and three landings as pilot flying in an airplane or an approved flight simulator of the type to be used, in the preceding 90 days
B he has carried out at least three flights as pilot-in-command in an airplane or an approved flight simulator of the type to be used, in the preceding 90 days
C he has carried out at least three take-off and three landings as pilot flying in any type of airplane or an approved simulator, under the supervision of an examiner, in the preceding 60 days
D he has carried out at least three take-off and three landings as pilot flying in an airplane or an approved flight simulator of the type to be used, in the preceding 30 days
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