The correct answer is - Sara suddenly became very ill; therefore, she went to see her doctor.
A semicolon is used to separate two sentences, two separate but also connected thoughts. It should come naturally as a pause within a sentence, which is why the first three options are incorrect as they break up the sentence in grammatically incorrect locations.
C.
Shari: I think the ball went behind that metal fence
I would say when he goes back to check on her to realize she has hung herself? You didn't post any options... So that is the best thing I have got.
Answer:
As she has for the past several months in her isolation at home, Ashima finds comfort in the physical remnants of her past life in India.
Explanation:
Hopes this helps ^w^