求指导本题解题过程，谢谢您！5.设Ω由曲面 =sqrt ({x)^2+(y)^2}, ^2+(y)^2+(z)^2=2z 围成将,则Ω和三重积分-|||-JJ ((x)^2+(y)^2+(z)^2)dv 化为球面坐标系下三次积分为 ()-|||-(A) (int )_(0)^2pi dtheta (int )_(0)^dfrac (pi {4)}dvarphi (int )_(0)^1(r)^4sin varphi dr; (B) (int )_(0)^2pi dtheta (int )_(0)^dfrac (pi {4)}dvarphi (int )_(0)^rcos varphi (r)^4sin varphi dr;-|||-C) (int )_(0)^2pi dtheta (int )_(0)^dfrac (pi {4)}dvarphi (int )_(0)^rsin varphi (r)^4sin varphi dr; (D) (int )_(0)^2pi dtheta (int )_(0)^dfrac (pi {4)}dvarphi (int )_(0)^2(r)^4sin varphi dr.

求指导本题解题过程，谢谢您！