1. which word in the sentence, if any, should be followed by a comma?

my dear the answers are not written in the stars.

a.
written

b.
dear

c.
there is no error in comma usage.

d.
my

My dear,the answers are not written in the stars

I believe the correct answer from the choices listed above is option B. The word in the sentence that should be followed by a comma would be dear. The sentence should be written:

My dear, the answers are not written in the stars.