阵发性室上性心动过速并发变异型心绞痛，宜采用下述何种药物治疗？

A．维拉帕米

B．利多卡因

C．普鲁卡因胺

D．奎尼丁

E．普萘洛尔

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Life is not easy, so I’d like to say “When anything happens, believe in yourself.”

When I was 14, I was too nervous to talk to anyone. My classmate often l___小题1:__ at me. I was sad but could do nothing. Later, s___小题2:___happened. It changed my life. It was an English contest. My mother asked me to take part in it. What a terrible idea! It meant I had to s___小题3:__ in front of all the teachers and students of my school!

“Come on, boy. Believe in yourself. You are sure to w__小题4:___.” Then, Mother and I talked about many different topics. At last I c___小题5:___the topic “Believe in yourself”. I tried my best to r__小题6:____ all the speech and practice it over 100 times. W __小题7:____ my mother’s great love, I did well in my contest. I could h__小题8:___ believe my ears when the news came that I had won the first place. I heard the cheers from the teachers and students. Those c__小题9:__ who once looked down on me, now all said “Congratulation!” to me. My mother hugged me and cried excitedly.

S___小题10:___ then, everything has changed for me. When I do anything, I try to tell myself to be sure and I will find myself . I try to tell myself to be sure and I will find myself. This is true not only for a person but also for a country.