Which Statement Is NOT True About the Parathyroid Glands

Which statement is NOT true about the parathyroid glands?

A) Normal adult parathyroid glands generally are not seen with sonography.
B) The parathyroid glands are situated posterior to the thyroid gland and anterior to the longus colli muscle.
C) Normal parathyroid glands almost always can be seen, especially in young patients.
D) A prominent longus colli muscle may be mistaken for a parathyroid adenoma.