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

A．He thinks it difficult to understand.
B．He thinks it helpful to one’s wisdom.
C．He thinks it isn’t useful at all.
D．He has never thought about it.

A．Knowledge of general business English.
B．Knowledge of special business English in particular jobs.
C．Knowledge of general English in all industries.
D．Knowledge of culture in English-speaking countries.