Questions 14 to 17 are based on the following passage.At the end of the passage, you will be given 20 seconds to answer the questions. Now, listen to the passage.
According to the lecturer, how widespread are insectivorous plantsA．There are hundreds of varieties in the worlD、 B．They exist in 500 countries in the worlD、 C．They exist only in NorthAmericA、 D．There are five different types throughout the worlD、
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