题目

One day I took a bus with my girlfriend. It was so 41 that we stood for several stops until a vacant(空闲的) seat was 42 for her.  Then a pretty girl rushed towards me, saying, Hi, where are you going?I was so struck by the stranger that I had a hard time trying to 43 her. Clearly she had taken me 44somebody else. I returned her greeting with politeness, 45 to give explanation to my girlfriend later.  Noticing my dialogue with somebody else, my girlfriend 46her eyes and found she was pretty. She asked jealously（忌妒地，猜疑地）, Who's she? The pretty girl, quit14、The orphans are brought up to believe they are different from other children，and are accustomed to     their emotions． A．holding up          B．holding out         C．holding back         D．holding down