When intubating an adult patient with a curved blade (Macintosh blade), the tip of the blade should be placed

(A) under the epiglottis.
(B) in the vallecula, at the base of the tongue.
(C) in the vallecula, at the opening of the vocal cords.
(D) to the right of the epiglottis.

Answer: (B) in the vallecula, at the base of the tongue.