Final answer:
A spotter in weight lifting is responsible for encouraging the lifter, grabbing the weight if necessary, and assisting with lifting, thus the correct answer is d. (All of the above).
Step-by-step explanation:
A spotter in weight lifting would be responsible for several tasks to ensure the safety and effectiveness of the lifter's workout. These tasks include: a. Encouraging the lifter to maintain morale and focus, b. Grabbing the weight if the lifter starts to struggle or if the weight becomes too much for the lifter to handle safely, and c. Assisting with the last few inches of lifting if the lifter is unable to complete the lift on their own. Therefore, the correct answer to which of the following would be done by a spotter in weight lifting is d. (All of the above).