`RS^(Ө)` is a stronger nucleophile and a better leaving group than `RO^(Ө)`.
`RS^(Ө)` is a weaker base than `RS^(Ө)`.
A. If both `(A)` and `(R )` are true, but `( R)` is the correct explanation of `(A)`
B. If both `(A)` and `( R)` are true, but `(R )` is not the correct explanation of `(A)`.
C. If `(A)` is true but `( R)` is false.
D. If `(A)` is false but `( R)` is true.