The best way for a blogger to respond to readers counter arguments is to

The correct answer is:  

Use evidence in a rebuttal.

Using evidence is not only the best way to respond to a counter-argument in both blogging and academic writing but is also particularly useful for bloggers, since there´s plenty information available online to provide references that support a certain position.    

the correct answer is d.   to change the pace

explanation:

there is a sequence and logical steps to give an answer of a trouble.

1) strategy is necessary to develop an project idea.

2) to study and know the environment where you are going to work ( ecosystem).

3)   the materials resources to built the ideas.

4) to give a priority order in the context that you study. in this case human needs.