Active-to-passive voice (habitual present): Convert the sentence to a correct passive that preserves routine frequency adverbials. Source sentence: She makes cakes every Sunday. Instruction: Choose the grammatically correct passive-voice option.

Given data

• Tense: simple present habitual action.
• Adverbial: every Sunday.

Concept / Approach
Simple present passive: am/is/are + past participle; place time adverbials naturally.

Step-by-step transformation
Object → subject: cakes → CakesAuxiliary: arePast participle: madeAgent: by herAdverbial: every Sunday at the endFinal passive: Cakes are made by her every Sunday.

Eliminate wrong options
A: Missing auxiliary; fragment. ❌B: Correct form and placement. ✅C: Reverses roles; nonsense. ❌D: Uses past tense were; changes time reference. ❌

Final Answer
Cakes are made by her every Sunday.