What is the meaning of "hands on"?

a. by example
b. by doing
c. by studying
d. by directions

d) the narrator even suggested that the white whale, moby d, was ubiquitous and present in every ocean at every moment.  

the answer is actually c   i just got done with the test.

- "there are several movements that doris lessing was associated with. first of all, communism. she pursued her communist beliefs and included them in her writing, and was also a member of several communist book clubs. she is also strongly associated with feminism, her fight for equality and women's rights.

doris lessing is the kind of writer who has followers, not just readers. they have been engaged to her chiefly because of her involvement in major problems, such as politics and woman-ism."

we need to see the paragraphs in order to answer this.