请大家帮我解答一下这道题，谢谢

An object thrown directly upward is at a height of h feet after t seconds, where h= -16(t-3)＾2+150. At what height, in feet, is the object 2 seconds after it reaches its maximum height?

A. 6

B. 86

C.134

D.150

E. 214

这道题的思路我不太清晰，我做的是C，但正确答案是B。