Sent to the zoos in Beijing and other cities, the monkeys are reported ______.

1. A.
   to settle down
2. B.
   to settle in
3. C.
   to have settled in
4. D.
   to have settled down

Sent to the zoos in Beijing and other cities, the monkeys are reported ______.

A. to settle down                         B. to settle in

C. to have settled in                           D. to have settled down

Sent to the zoos in Beijing and other cities, the monkeys are reported ______.

A. to settle down                         B. to settle in

C. to have settled in                           D. to have settled down

Sent to the zoos in Beijing and other cities, the monkeys are reported ______.

Sent to the zoos in Beijing and other cities, the monkeys are reported ______.