Which sentence uses an adjective clause to combine these sentences?
 Friendly people are needed for the job. Hard-working people are also needed.
 A. Friendly and hard-working people are needed for the job.
 B. Friendly people, along with hard-working people, are needed for the job.
 C. For the job, friendly and hard-working people are needed.
 D. People, who are friendly and hard-working, are needed for the job.