Question

In the past 10 years people have become more______ the safety of their privacy.

A．worrying about	B．cared about
C．concerned about	D．paid attention to

Answer 1

Ｃ

固定词组。Be concerned about…担心；结合句意可知C正确。句意：在过去的10年里，人们对于他们的隐私安全更加担心。