阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空，并将答案填写在答题卡标号为16～25的相应位置上。

In 1945, there was a young boy of 14 in a concentration camp. He was tall, thin but had a bright smile. Every day, ___小题1:___ young girl came by on the other side of the fence. She noticed the boy and asked him ___小题2:___ he spoke Polish, and he said yes. She said that he looked hungry, and he said he was. She then reached in her pocket and gave him her apple. He thanked her and she went on ___小题3:___ way. The next day, she came by again, ___小题4:___(bring) with her another apple ___小题5:___ she gave him. Each day, she walked by the outside of the fence, hoping to see him, and when she did, she ___小题6:___ (happy) handed him an apple in exchange ___小题7:___ conversation.

One day, he told her not to come by anymore. He told her he ___小题8:___ (ship) to another concentration camp. As he walked away with tears ___小题9:___ (stream) down his face, he wondered if he’d ever see her again. She was the only kind soul he’d seen across the fence.

___小题10:___ (late) he got out of the camp and immigrated to America. After several years, a coincident happened.

乳牙牙髓感染临床上多为

A．急性牙髓炎

B．慢性牙髓炎

C．逆行性牙髓炎

D．可复性牙髓炎

E．化脓性牙髓炎