单项选择题

Which of the following statements is true

A．The men in Samoa were not quite blind.
B．A girl called Virginia could read newsprint even when she was blindfolded.
C．Rosa' s ability to see was confined to her fingers.
D．The result of the last test on Rosa was least doubtable.

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单项选择题

Which of the following makes the demonstration most persuasive

A．To read through glass, blindfolded.
B．To identify the color and shape of light on a screen while securely blindfolded.
C．To carry out the test with someone pressing on her eyeballs.
D．To work from behind a screen, blindfolded and with a card round her neck.

单项选择题

The first white men to visit Samoa found people who ______.

A．were not entirely blind
B．described things by touching them
C．could see with their hands
D．could see when they hold out their hands