In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.
Many parents think of overweight children as 'cute' and cuddly. However, obesity must not be (1)_________ as a healthy sign. (2)________ obese children grow up, they will be more prone (3)____________ health problems like high blood pressure (4)________ diabetes. Today, overweight children are becoming a common (5)___________ in many countries.

Select the most appropriate option to fill in blank number 3.

1. A
   the
2. B
   on
3. C
   for
4. D
   to