A．The individual has an unresolved problem in his waking life.
B．The individual is suffering from low level toothache.
C．The individual has a significant period in his baby life.
D．The individual wish to escape from something.

A．linguists tend to choose a better way to explain unfamiliar languages.
B．Riau Indonesian belongs to the Indo-European language family.
C．Riau Indonesian might not fit into an existing mould.
D．Dr. Gil’s argument has been criticized by other linguists.