She had only just put the phone down when her boss rang back. A. Hardly had she put the phone down when her boss rang back. B. No sooner had she put the phone down when her boss rang back.
She had only just put the phone down when her boss rang back.
A. Hardly had she put the phone down when her boss rang back.
B. No sooner had she put the phone down when her boss rang back.
C. Hardly did she put the phone down when her boss rang back.
D. Hardly she had put the phone down when her boss rang back.