In each of the following sets, choose the letter of the sentence that expresses the thought most clearly and effectively. A) The Gagudju now have abandoned the cavern and live in another part of the park. B) The Gagudju have abandoned the cavern and now live in another part of the park.

a) A) The Gagudju now have abandoned the cavern and live in another part of the park.
b) B) The Gagudju have abandoned the cavern and now live in another part of the park.
c) The Gagudju now have abandoned the cavern and live in another part of the park.
d) The Gagudju have abandoned the cavern and now live in another part of the park.