Dr Primrose is a character in

The correct option is The Vicar of Wakefield.

Detailed Explanation:
Dr. Charles Primrose is the central character, narrator, and protagonist of the classic novel The Vicar of Wakefield, written by Oliver Goldsmith and published in 1766.
The novel follows the fortunes and misfortunes of the benevolent vicar and his family as they face financial ruin, moral trials, and various personal hardships, ultimately resulting in a story of resilience and restoration.

Let's look at the other options to understand why they are not correct:
- Nicholas Nickleby is a novel by Charles Dickens, with the titular character being Nicholas Nickleby.
- Adam Bede is the first novel written by George Eliot (Mary Ann Evans), featuring the carpenter Adam Bede as its protagonist.
- Joseph Andrews is a comic romance novel by Henry Fielding, featuring the character Joseph Andrews.