The tv show monk features a detective who is very seldom happy, has few good friends, insists on a very rigid order and way in which he must do things, and frequently has difficulty making up his mind about what to do. if he were diagnosed with a personality disorder, it would most likely be:

The answer is OCPD (obssessive-compulsive personality disorder).

Explanation:

A person who suffers from OCPD has unwanted, repeated thoughts that drive them to carry out an action (compulsion). The insisting of Monk about following a rigid order is an example of his compulsion.

People wth OCPD might show themlseves as reserved and absent-minded. This a result of their obssesive thoughts, which occupy their minds most of the time.

it should be d or b but i'm sure it's d

answer; longitudinal;