True about Eustachian tube is / are -a) Size is 3.75 cmb) Cartilagenous 1/3 & 2/3rd bonyc) Opens during swallowingd) Nasopharyngeal opening is narroweste) Tensor palati helps to open it: (A) acd, (B) bde, (C) ace, (D) ade
Answer is C. None