函数pi的功能是根据以下公式近似求得的：
pi*pi/6=1+1/(2*2)+1/(3*3)+…+1/(n*n)
请在下面的函数中填空，完成求pi的功能。
#include＜math.h＞
double pi(long n)
doubles=0.0,long i；
for(i=1；i＜=n；i++)s=s+ 【11】 ;
return(sqrt(6*s))；

Nie Haisheng's dream _____ an astronaut _____ at last. [ ]

A. of becoming; came true

B. to become; came true

C. of becoming; was come true

D. to become; was made true