Passage One
Questions 26 to 28 are based on the passage you have just heard.

A．People who live in Amazon tribes don’t think plants are the basis of the food pyramid,
B．People who live in Amazon tribes don’t regard botany as a special branch of knowledge.
C．People who live in Amazon tribes know all the properties of plains in the jungle.
D．People who live in Amazon tribes give some special names to botany.

A．Six.
B．Seven.
C．Five.
D．Six or seven.