Which question is least likely to lead to a biased answer in a survey?

(a) do you think children eat too much sugar?
(b) how disappointed are you with the current mayor?
(c) what is your favorite drink?
(d) should dog owners who want their dogs to be healthy feed them acme dog food?

Bonus question: according to wikipedia, in chinese philosophy yin and yang "describes how seemingly opposite or contrary forces may actually be complementary, interconnected, and interdependent." what are some examples from the story that amy tan may have intentionally incorporated elements of yin and yang philosophy into this story? select 2.

When zhang qin went to explore west, he brought back stories of

Why does c. wright mills identify critical thinking as one of the most important criteria for the development of intellectual craftsmanship? why is constantly being aware of the biased nature of your reactions and interactions (what c. wright mills calls self-reflexive) key to the development of that critical thinking? finally, why is keeping a file important, how can it lean to intellectual curiosity which can foster critical thinking and to develop a keen analytical mind?