44. The word "them" in line 12 refers to (A) chimpanzees (B) animals (C) tools (D) termites

47. According to the passage, what is characteristic of the way in which woodpecker finches hunt insects? (A) The finches use different plant parts as tools to capture insects. (B) The finches make narrow holes in trees to trap insects. (C) The finches pick up insects that they find on leaves. (D) The finches catch insects in the air as they fly from tree to tree.