The correct answer is A. Grief.
Laugh and joy are two words that are closely related. When we laugh, we are usually feeling happy or joyful. Weep and grief are also two words that are closely related. When we weep, we are usually feeling sad or grieving.
The other options are not as closely related to the original pair of words. Remorse is a feeling of regret or guilt. A baby is a young human being. Punishment is a penalty or reward for an action.
In conclusion, the correct answer is A. Grief.