Guardianship: refers to the right of a civil subject to supervise and protect persons without and with limited capacity for civil conduct, and to exclude illegal interference by others. Which of the following is the exercise of guardianship? ["Security Service personnel follow the Seychelles President's visit and closely monitor the surroundings to ensure the President's security.", 'a baby girl in an orphanage received selfless donations from several "expectant mothers" from all over the country.', 'after the death of both parents, the young Xiao Ming lives with Grandpa, and Grandpa hurts Xiao Ming.', 'Zhang San was in a car accident, his left leg was broken, and he was in good condition under the care of his wife.']