Answer:
Work is conducted in silence, questions are answered elliptically, if at all, and, by the end, the master will have withheld key pieces of knowledge that the apprentice is expected to acquire through guile or outright theft.
Explanation:
This sentence from the excerpt reveals the unusual manner in which traditional crafts are taught by Japanese boat builders. Teaching, which ordinarily should involve a dialogue between teachers and students is approached with silence. Questions are answered in a shady manner and this leaves the students with little or no knowledge at the end. This is different from what is obtainable in normal climes.
It connects Sylvia Earle's work to protecting life on earth.
The answer is A ; seven pool players