According to the author, curiosity is probably best when its connection with other interests is ______ only by means of intelligence.

A．Only hold one party.
B．Keep the party small.
C．Keep the party a secret.
D．Arrange the party only by they two.

A．Inadequate medical care.
B．Continuing social unrest.
C．Lack of food, water and shelter.
D．Rapid spreading of the epidemic.