50. A protein called mTOR (mammalian target of rapamycin) was identified as one of the master regulators of cell growth in which one of the following neurocutaneous syndromes?
(A)Neurofibromatosis I。
(B)Neurofibromatosis II。
(C)Sturge Weber syndrome。
(D)Tuberous sclerosis complex。
(E)Neuromelanosis。