Final answer:
The correct word to complete the sentence from the passage is (A) 'Resting', which aligns with the subject's intention to take a break for relaxation and rejuvenation.
Step-by-step explanation:
Within the given excerpt, there is a clear indication that the subject intends to take time off for rest and relaxation. The correct word to fill in the sentence 'Twelve months of Resing and thinking...' should be 'resting', as it aligns with the context of taking a break to rejuvenate and achieve peace and calmness.
Option A, 'Resting', is the accurate choice. Methods described for attaining such a state of mind include sitting upright on a comfortable chair, being in a quiet environment with eyes closed, and repeating a mantra that encourages a calm body and an alert mind, which can lead to a sensation of placid serenity.