No sooner had she put the telephone down than her boss rang back.
A. Scarcely had she put the telephone down when her boss rang back.
B. She had hardly put the telephone down without her boss rang back.
C. Hardly she had hung up, she rang her boss immediately.
D. As soon as her boss rang back, she put down the telephone.
Đáp án A
Kiến thức đảo ngữ: No sooner had S PII than S V-ed O (Vừa mới….thì….).
= Hardly/Scarcely/Barely had S PII when S V-ed O.
Dịch: Cô ấy vừa mới đặt điện thoại xuống thì ông chủ gọi điện lại.