执行如图所示的程序框图,则输出的T值为( )
A:30
B:54
C:55
D:91
含维生素____的食物有助于防治夜盲症;含维生素____的食物适合坏血病患者食用;儿童缺乏含____的无机盐易患佝偻病.
Grandma ____ ____ yesterday.
Please wait a minute. Our manager will be back ____ ____ ____ .