单选题：回答题： After the birth ofmy second child，I got a job at a rest

回答题：
After the birth ofmy second child，I got a job at a restaur ant．Having Worked with an experi-enced 36_________for a few days，I was 37_________to wait tables on ny own．Allwent 38_________ that firstweek．VVhen Saturday nightcame，I was luckily39 _________the tables not far from the kitchen．40 _________ ，I still felt it a little hard to CalTythe heavy tra)s(托盘)．
Before I knew it，the 41_________ wasfull of people．I moved slowly， 42_________every step．I re-member how 43_________I was when I saw the tray stand near the tables．Itlooked different from the one I was44_________ 0n,It had nicehandles，which made it45_________ to move around．I was 46_________witheverything and began to 47_________ I was a natural at his job．
Then an old man came to me and 48_________，“Excuse me，dear，my wife and I loved 49_________you work．It seems your traystand has been very 50_________ to you，but we aregetting ready to 51_________ now，and my wife needs her52_________．back．”
At first his 53 did not get across．Then，I got it．I had set my trays on his wife’s orthe pedic walker(助听器)．My facewas 54__________．I wanted to get into a hole and55．
A．manager
B．assistant
C．cook
D．waitress