Final answer:
The statement 'C'est fantastique que tu aies une bonne note en français' is grammatically correct.
Step-by-step explanation:
The statement 'C'est fantastique que tu aies une bonne note en français' is grammatically correct. In French, it is common to use the subjunctive mood after certain expressions to express wishes, emotions, or doubt. In this case, 'que tu aies' is the subjunctive form of the verb 'avoir' (to have) and is used after the expression 'C'est fantastique' (It's fantastic).
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