Question

Fill in the blank with a suitable preposition:

He began his career twenty years ago ________ a doctor.

• A. Like
• B. As
• C. Of
• D. Such as

Answer 1

The correct option is B As

A preposition is a word which comes before a noun or a pronoun and establishes a relationship between the elements of a clause or words. Option B)as is correct as it is used to express a characteristic. The other options are wrong as like, of, and such as indicate similarity, possession, and an example respectively. These uses don't fit in the given question. The correct answer is B)as.