What is the governor’s attitude toward the demonstration

A．How to distinguish people’s faces.
B．How to describe people’s personality.
C．How to distinguish people both inward and outward.
D．How to differ good persons from bad persons.

A．He failed to finish the experiment that day.
B．He hasn’t had time to do the experiment.
C．He did only part of the experiment.
D．The experiment turned out well.