"I think the DHS serves a vital function in preserving our national security," wrote Manansala in a comment on the Federal Register. "That being said…I'm just as American as a natural-born citizen. As Americans, we are owed equal protection and treatment under the law."
Which would be the closest synonym for the word vital, as it is used above?
Press enter to interact with the item, and press tab button or down arrow until reaching the Submit button once the item is selected
A. Varying
B. Alternate
C. Interesting
D. Critical