Despite divergent intellectual levels of students, their performance level can be made comparable if

(a)     Similar life and living conditions are provided to them
(b)     Diversified training and learning sessions are conducted
(c)     The diet and nutrients are controlled properly
(d)     Students are given opportunities of growing and developing in accordance with their talents.
(e)     Students are able to manifest themselves according to their potentials.
 (f)     Multiple methods and techniques to address diverse needs are put in place.
    On the basis of statements given above, select the correct combination from the following :