Answer:
C. Determined
Step-by-step explanation:
The tone of the the excerpt "Surfing: A Royal Sport" from Jack London's memoir "The Cruise of the Snark is determined.
Jack London attempts to practice surf-riding because he found it very fascinating.
His first attempt was unsuccessful but he was determined to succeed.
The lines below are excerpts which describe how he tackled surf-riding.
Get in and wrestle with the sea;
wing your heels with the skill and power that reside in you;
bit the sea's breakers, master them,
and ride upon their backs as a king should.