D. The macronucleus does not disintegrate during conjugation. 
 The macronucleus contains the working copies of genes needed to support an enormous cell. It is formed by a division of the fused diploid nucleus after conjugation followed by multiple rounds of internal gene replication which does not occurs in the micronucleus.
        
             
        
        
        
I do beleive that the answer is c
        
                    
             
        
        
        
The time of the revival of learning is such as the Bible, art, and true science is called the "Renaissance." You forgot to include the Bible in your quesiton.
Answer: Renaissance 
sad!; live