What prevents caesar, who knows that he may be in danger, from heeding the warnings of others about the threats to his life?
a. he is sluggish and easily misled.
b. he is distracted by his drive to gain more power.
c. he has already commanded brutus to stop associating with the conspirators.
d. he trusts cassius and brutus above other men.

the sentence that avoid faulty coordination is:

culture, which is well represented in philadelphia, plays a major role including theatre, music, and the visual arts.  

faulty coordination occurs when the writer gives equal importance two different ideas (clauses) which in fact are not equivalent. in order to correct a misplaced clause or idea, the writer can place less important or emphatic ideas in a relative clause as in the previous sentence.  

feel very well should be good