isknowntousallisthatAmericaisadevelopedcountrytheFirstWorld.[]A.Which;belongedB.As;belongingtoC.What;belongingtoD.It;belonging

Question

____ is known to us all is that America  is  a  developed country  ___  the First World. 

[     ]

A. Which; belonged    
B. As; belonging to    
C. What; belonging to    
D. It; belonging

Answer 1

C