Okay I have a English assignment I thought I kicked butt on when I took it got results back as a 60 so gonna try this again and I really need every ones help.

First question
_______ are used to separate the elements of an address.
A. Semicolons
B. Hyphens
C. Commas
D. Dashes

Question

Okay I have a English assignment I thought I kicked butt on when I took it got results back as a 60 so gonna try this again and I really need every ones help.  

First question 
_______ are used to separate the elements of an address.
  A. Semicolons 	
  B. Hyphens 	
  C. Commas 	
  D. Dashes

anonymous · Answer

This one I know is C

anonymous · Answer

You should not use a colon
  A. to introduce a block quotation. 	
  B. to precede a short, direct quotation. 	
  C. after the salutation of a formal letter. 	
  D. to introduce a series. 

This one I am just lost on.