In the following passage some words have been deleted, Fill in the blanks with the help of alternatives given. Select the most appropriate option for each number.
The roots of some plants get swollen with the (1) ________ of storage food which can be used as vegetables. The plants which have such roots are called root crops. These are (2) ________ staple foods with (3) ________ giving carbohydrates. These also have large water (4)________. Some (5) ________ are carrots, beetroots, radishes, turnip, sweet potato etc.

Select the most appropriate option to fill in blank number 4

1. A
   gain
2. B
   utility
3. C
   content
4. D
   worth