One should never compromise their values by pressure from their friends. A value is something you believe in strongly and should hold onto. You should not let another sway you into something you don't believe in. You must believe in yourself and stand your ground, values are important.
The right answer should be b, but i apologize if i am wrong.
Explanation:
The lack of iodine causes thyroid enlargement and goiter. As the body's iodine levels fall, hypothyroidism may develop because iodine is needed for making thyroid hormone.