A: above data can't be verified from the argument. out of scope
B: same as A out of scope
C: safety out of scope
D: sounds most rationale. Salt concentration was already 90 mgms 20 years before. So it is unlikely to reach 250 mgms very soon
E:Don't know about the future. Nothing like that in the argument.
IMO D
B: same as A out of scope
C: safety out of scope
D: sounds most rationale. Salt concentration was already 90 mgms 20 years before. So it is unlikely to reach 250 mgms very soon
E:Don't know about the future. Nothing like that in the argument.
IMO D





