Select the most appropriate option to fill in the blank.
The Mahatma Gandhi National Rural Employment Guarantee Act 2005 (Mahatma Gandhi NREGA) aims at enhancing ________ security of households in rural areas of the country by providing at least one hundred days of guaranteed wage employment in a financial year to every household whose adult members volunteer to do unskilled manual work.

A

balanced

B

total

C

strict

D

livelihood