Context: Colin lit the charcoal in his grill to cook two identical salmon. He put one fish on the left half of the grill and one fish on the right half of the grill. This table shows how the temperature of each salmon changed over 6minutes.
During this time, thermal energy was transferred from () to ().
A. the surroundings . . . each salmon
B. each salmon . . . the surroundings
From the given choices, select the correct answer and reply with the letter of the chosen option.

A