Answer:
D.
Explanation:
Lack of parallel structure. Completed the test and got it right.
When Makhaya arrived to Bostwana was well received. People were very nice to him. He was received by Denorego who introduced him to Gilbert.
Denorego helped him settle down.
He also was helped by an old man to cross the border when she fled form his place.
Engage gives the sentence a more formal tone.