Where dose Cyrano composes a Ballad while fencing with Valvert?

A. Hotel de Bourgogne (Act 1)

B. the park of the covent occupied by the Ladies of the cross (Act 5)

C. the post occupied by Carbon de Castel-Jaloux and his company at the Siege of arras (Act 4)

D. Ragueneau's pastry shop (Act 2)

E. Roxanne's house or the surrounding vicinity (Act 3)