Which of the following is correct statement regarding `N(CH_(3))_(3)` and `N(SiH_(3))_(3)`?
A. `Sp^(3)` with pyramidal shape in `(CH_(3))_(3)N` and `Sp^(2)` with planar triangular shape in `(SiH_(3))_(3)N`
B. In both `(CH_(3))_(3) N` and `(SiH_(3))_(3)N`, the hybridzation of N is `Sp^(3)` are both are pyramidal in shape
C. In both `(CH_(3))_(3)N` and `(SiH_(3))_(3)N`, the hybridzation of N is `Sp^(2)` are both are planar triangular in shape
D. `Sp^(2)` with planar triangular shape in `(CH_(3))_(3) N` and `Sp^(3)` with tetrahedral shape in `(SiH_(3))_(3)N`
