Which of the following statements is correct?

• A. There is no distinction between taste and smell in terrestrial animals.
• B. Most papillae on the tongue are associated with nipple-shaped projections called taste buds.
• C. Particular regions of the tongue with taste buds can detect only a single type of taste.
• D. In gustation, the sensory cells are neurons.
• E. The receptors in human taste buds are responsible for recognizing five types of tastants.