Can we draw the following hypothesis from the context (see options)? 

Context:

An October 22, 1998 article by Dianne Rinehart reported that according to an Angus Read poll, 51 per cent of British Columbians viewed the Nisga'a Final Agreement as a step in the right direction, with 33 per cent of those polled holding the opposite view and 16 per cent unsure of their views.

Hypothesis: in the 90's British people by 1/2 agreed with the final agreement
Choose your answer from: a). Yes b). It's impossible to say c). No
a).