Cho 

Câu hỏi: Cho ${\log }_2\left({\log }_3\left({\log }_{4}x\right)\right)={\log }_3\left({\log }_4\left({\log }_{2}y\right)\right)$$={\log }_4\left({\log }_2\left({\log }_{3}z\right)\right)=0$. Tính $T=x+y+z$

A. T = 89

B. T = 98

C. T = 105

D. T = 88