Arrage the following group in order of decreasing o-and p-directing strenght
`- overset()NH_(2), - Cl,-underset(..)overset()OH, - R`
A. `- Cl gt underset(..)overset(..)OH gt-Rgt- NH_(2)`
B. `- overset(..)NH_(2) gt - R gt - Clgt - underset (..) overset(..)OH`
C. `- overset(..)NH_(2) gt - OH gt - Clgt - underset (..) overset(..)R`
D. `- overset(..)NH_(2) gt - OH gt - Rgt - underset (..) overset(..)Cl`