Where’s the story?
Provide information
mhgdddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddg
They enjoy
crafts in class.

A semicolon is used to separate two complete sentences that are related in some way. Answer choices A and D both use a semicolon to separate two complete sentences, however, answer choice A combined two unrelated sentences. D is correct.
I think it is <span>A. </span><span>adjective clause</span>. Because we have here relative pronoun "who" that plays a role of a subject.