Which sentence contains an error in the reported wh-question contrast involving do-support?
The surveyor asked how the boundary markers had moved overnight.
The nurse asked when the laboratory results would become available.
The baker asked why does the oven cool so quickly between batches.✓Bonne réponse
The organiser asked where the visiting choir was rehearsing that afternoon.
Explication
The bakery sentence is erroneous because why does the oven cool keeps does and direct-question order. In a reported wh-question, the subject comes before its verb and do-support disappears.