The lines are narrated in what is known as free indirect speech, or at times called free indirect discourse. This is because the style combines the elements of a third person narration with a first person to describe the character's thoughts, feelings, or emotions.
What Herbert ??? (Unnecessary)
Answer: determined (verb)
Explanation: you can replace 'determined' with the definiton.
The doctor did some tests and <u>figured out</u> the cause of the patient's pain.
Either a tone of carelessness or hopelessness
(definition for stagnant: <span>showing no activity; dull and sluggish)</span>
