Answer:
人々は自分が目にするほとんどすべてのものを信じています
1) A
2) D - Not sure 100%
3) - Don't know the song
4) D - Both a and b
Answer:
While stubborn may have positive or negative connotations, obstinate is most definitely negative, because it implies a kind of hard-headed determination not to change your mind even when it might be best to rethink your position.
I believe the answer is bar graph
