听力原文：M: Will Jack come to the party with us this evening？W: He said if only he had fin
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听力原文：M: Will Jack come to the party with us this evening？
W: He said if only he had finished his lab report he would be joining us with pleasure.
Q: What is Jack going to do？
(18)
A．Write a report.
B．Join his friends.
C．Go to the laboratory.
D．Go to the party.
请帮忙给出正确答案和分析，谢谢！