Public _________ of the problem will make the government take it seriously.

         A. existence     B. evidence      C. awareness            D. solution

 Public _________ of the problem will make the government take it seriously.

       A. existence    B. evidence     C. awareness          D. solution

Public __ of the problem will make the government take it seriously.

A．existence                             B．solution

C．awareness                             D．evidence

Public______of the problem will make the government take it seriously.

       A.awareness    B.solution       C.existence     D.evidence