In "A person who has one can get what he wants," one refers to ______.

A．Anyone who suffers aphasia may have the ability to recover completely.
B．Usually, children who suffer aphasia can recover immediately.
C．It may take several years for children who suffer aphasia before the onset of puberty to recover comletely.
D．The recovery for the children who suffer aphasia is the exception rather than the rule.

A．Pupils will form relationships with old pupils rather than teachers.
B．The setting of the primary school is comparatively simpler than that of the secondary school.
C．All the teachers in the secondary school are rather frightening-looking.
D．Pupils have opportunities to get help from any teacher in the secondary school.