Read the following passage:

“when a clear understanding had been obtained, there was no difficulty in designing suitable propellers, with proper diameter, pitch, and area of blade, to meet the requirements of the flyer.”

select the best summary of this information.
a. the inventers designed propellers with all the correct dimensions for the flyer.
b. the flyers required constant adjustments.
c. the inventors applied what they learned to create better parts.
d. the flyers needed to be better understood in order to continue making it better.

C.The inventors applied what they learned to create better parts.

Explanation:

- "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."

its duck

me jerry

explanation: