Each dna strand in a double helix contains all the information needed to make a new identical double helix.

That statement is correct, if what you're question was was a true or false statement. 
It needs necessary proteins and enzymes to continue with the replication process. 
A good thing to remember is undergoing replication means they're, in summary, "photocopying" the DNA. Thus, it is the same. 

I hope this answers your question, good luck on your assignment. 

Ithink the answer is c. i’m not sure though i’ll notify you when i have an exact answer!