Explanation:
could be D, yeti j can be wrong
but IT sounds more reasonible
Option 4 would be the more biased option because only some people may think that if you don't buy enough boxes you are stupid. Option for is more of an opinion therefore making it biased.
Congress should be a tad more proactive in monitoring America's spies, but they shouldn't have to let the public know. They are spies, after all.