Select the most appropriate option to substitute the underlined segment in the given sentence. If there is no need to substitute it, select No improvement.My cousin has been ill since three days.

Select the most appropriate option to substitute the underlined segmen

1.	Select the most appropriate option to substitute the underlined segment in the given sentence. If there is no need to substitute it, select No improvement.My cousin has been ill since three days.
A.	by three days.
B.	from three days.
C.	for three days.
D.	No improvement
Answer» D. No improvement