根据句意和所给引导词,补全句子。

1.He wants to be a writer so________________.

2.In order not to ________________, he gets up early every day.

3.I learn English so that ________________.

4.She gave the boy some money because ________________.

5.Although ________________, we failed in the football game in the end.

某建设项目期初一次投资200万元，每年的净现金流量为44万元，项目寿命期10年，已知(P/A，17%，10%)=4.659，(P/A，18%，10)＝4.494，则该项目的IRR为( )。

A．17.69%

B．17.31%

C．17.51%

D．17.49%