TOEFL Listening: ETS-TOEFL听力机经 - 3RYE3P114DX5AUU9P$

According to the professor what features of the Nepenthes Peristome help the plant catch insects? A. If has glands that produce nectar. B. Its surface does not repel water. C. If is slippery even when dry. D. If has colorful markings that confuse some insects.