The correct option is A praised
The word 'jeered' refers to making rude or mocking remarks.
Option A, praised refers to expressing warm approval or admiration.
Option B, scorned refers to feeling or expressing contempt or disdain for.
Option C, mocked refers to teasing or laughing in a scornful manner.
Option D, mourned refers to feeling or showing sorrow.
Thus, according to the meaning, the word 'praised' is the opposite of the word 'jeered'.