In which of the following reactions, retention of configuration takes place ?
(I)
.
`(II) (A)+COCl_(2) to`
`(III) (A) +SOCl_(2) overset("Pyridine")to`
`(IV) (A)+COCl_(2) overset("Pyridine") to`
A. `(I),(III)`
B. `(I),(II)`
C. `(III),(IV)`
D. `(I),(IV)`