i. On the basis of experiments with rats
ii. health experts here say that
iii. exercise more and consume vitamins,
iv. they will live up to 100 years or more
v. if humans eat less,
vi. and be vigorous in their eighties and nineties.

A

ii, iii, v, iv

B

ii, v, iii, iv

C

ii, v, iv, iii

D

v, ii, iii, iv.