Questions 11-13 are based on the following talk about the history of daylight saving time. According to the speaker, how would most people probably have characterized Benjamin Franklin’s plan for daylight saving time when it was proposed

A．the operational aspects of management.
B．the theoretical aspects of management.
C．the environment and structure of the organization.
D．the method of decision-making itself.

A．the skills of photography are not as satisfactory nowadays as before.
B．the earliest pictures were the best pictures people have ever taken.
C．the present-day photography depends more on technolog7 than on art.
D．learning to produce a sharp and correctly exposed picture is only the first step in photography and is easily learned.