Personally I’d say the answer is A because if one person is the only one putting input, others ideas & opinions will not be heard.
The billboard presides over The Valley of Ashes.
A demand is like i want this done now and a request is like can you do this for me
C. Must show great commitment to training
B) The daily work continued; nay, it actually increased;
Something that is happening on a consistent basis. It also gives the feeling that it is work to make it persistent. In option B, the statement "daily work" indicates that something is done daily which supports the idea of persistent. The sentence containing the line "The daily work continued; nay, it actually increased" also includes the description "with an astonishing pertinacity." Pertinacity means persistent determination. The brain failing and life slipping away does not show any persistent determination. Also, the statement that she inquired with acute anxiety does not how any persistent determination.