Questions 8 to 10 are based on the following
conversation. At the end of the conversation, you will be given 15 seconds to
answer the questions. Now listen to the
conversation. What is the main purpose of the lab experiment
A．To see how certain chemicals produce different flavors. B．To determine if a person can distinguish salty and sweet solutions. C．To map the location of taste buds. D．To count the number of taste buds.