What kind of clause is the clause in dark type?

we must hire a person who has a driver's license.

a. adjective clause
b. adverb clause
c. noun clause
d. independent clause

The Clause in this exercise: We must hire a person WHO HAS A DRIVER'S LICENSE.

Is:

A. adjective clause

Explanation:

The reasons behind this answer are: First, adjective clauses are dependant meaning that they can't exist by themselves. They provide detailed information about an independent clause. Second, they start with a relative pronoun. In our case "who" is that one. Third, they are composed of multiple words.

the answer is c. the wind