The Following Sentences Form a Passage

The following sentences form a passage. For each sentence, select "correct" if the sentence is punctuated correctly, "fragment" if it is a fragment, "run-on" if it is a run-on, and "comma splice" if it is a comma splice. Sometimes a childhood passion can lead to a rewarding career James McLurkin's journey from Lego bricks to robots is a perfect example.

A) correct
B) fragment
C) run-on
D) comma splice