According to the passage, during the past twenty years, the kakapo ______.

A．Terrorists have destroyed the forests in Afghanistan.
B．Afghanistan has suffered from the natural and man-made disasters.
C．Soma refugees hunt snow leopards to gain profits in the border business.
D．There has been a large area of forests in Afghanistan before.

A．refuse to answer the questions they are uncertain about
B．avoid saying no to the interviewers
C．try to answer all the questions asked
D．make clear the things they are unsure about