题目内容：
根据以下内容回答题：FirstFlight
MrJohnsonhadneverbeenupinanairplanebeforeandhehadreadalotaboutairacci-dents,soonedaywhenafriendofferedtotakehimforarideinhisownsmallplane,MrJohnson16.Finally,however,hisfriendpersuadedhim17,andMr.Johnsonboar-dedtheplane.
Hisfriendstartedtheengineandbegantotaxiontotherunwayoftheairport.MrJohn-sonhadheardthatthemostdangerouspartofaflightwas18,sohe19andclosedhis eyes.
Afteraminuteortwoheopenedthema-gain,lookedoutofthewindowoftheplane,andsaidtohisfriend,"lookatthosepeopledown there.Theylookassmallasants,don'tthey?"
"Thoseareants,"answeredhisfriend.
"We'restill20." A．was extremely frightened
B．in the sky
C．was very worried about accepting
D．the take-off and the landing
E．that it was happy
F．on the ground
G．that it was very safe
第16题应选___
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