The given sentence is an interrogative sentence referring to actions already completed. Thus, simple past tense form of the verb shall be used.
"Have/won" in option A is incorrect as the root verb 'have' is used alongside plural nouns. Here, Monica is a singular noun. Thus, 'have' is incorrect.
"Has/win" in option B is incorrect as the context requires the past participle of the verb 'win'.
"Have/win" in option C is incorrect as both 'have and win' are incorrect in the context.
"Has/won" in option D is correct as 'has' is used with singular nouns. Also, 'won' is the past participle of the verb 'win' and is used to refers to actions completed in the past.
Thus, option D is the correct answer.