Identify the reaction(s) in which the stereochemistry of underlined species has changed.
A. `XeFD_(2)+underline(P)F_(5) rarr[XeF]^(+)[PF_(6)]^(-)`
B. `underline(X)eF_(4)+SbF_(5) rarr[XeF_(3)]^(+)[SbF_(6)]^(-)`
C. `XeF_(4)+underline(S)bF_(5) rarr[XeF_(3)]^(+)[SbF_(6)]^(-)`
D. `underline(X)eF_(6)+2CsF rarr(Cs^(+))_(2)[XeF_(8)]^(2-)`
