Read the sentence to determine the meaning of channel as used in this context. Then, read the dictionary entry. The next morning, we left Friday Harbor and continued sailing up San Juan Channel,
watching for signs of orcas along the way.

channel (CHA nuhl) noun 1. the bed of a river or stream; 2. a wide passageway of water
between two bodies of land; 3. an official route for communication; 4. a frequency band over
which a radio or television signal is communicated.

Which definition gives the meaning of channel as it is used in the sentence?
A. definition 1
B. definition 2
C. definition 3
D. definition 4

She took up a scalpel and slit the monkey's abdomen, making a slow and gentle cut, keeping the blade well away from her gloved fingers. the spleen was puffed up and tough, leathery, like a globe of smoked salami. she did not see any bloody lesions inside this monkey. she had expected that the monkey's interior would be a lake of blood, but no, this monkey looked all right, it had not bled into itself. if the animal had died of ebola, this was not a clear case. she opened up the intestine. there was no blood inside it. the gut looked okay. then she examined the stomach. there she found a ring of bleeding spots at the junction between the stomach and the small intestine. this could be a sign of ebola, but it was not a clear sign. it could also be a sign of simian fever, not ebola. therefore, she could not confirm the presence of ebola virus in this animal based on a visual inspection of the internal organs during necropsy.