Which sentence contains an unclear, a missing, or a confusing antecedent? doing homework leads to success in school.
this encyclopedia says that english has words from many different languages. they reported on the radio that the new road opens today.
on the front page of the newspaper was a picture of my mom and me!

I sould say your answer is b. hope this helped.

Atahualpaemperor of the inca empire who rose to the throne after winning a civil war between him and his brother.  -he refused to become a spanish vassal or christian.-francisco pizarro kidnapped him and demanded a huge ransom.  -pizarro's secretary described him as "a man of thirty years, good-looking and poised, somewhat stout, with a wide, handsome, and ferocious face, and the eyes flaming with blood."-after the ransom was paid, atahualpa was killed by pizarro