QUESTIONS 71 - 75. MARK THE LETTER A, B, C, OR D TO INDICATE THE SENTE...

74. I had only just put the phone down when the boss rang back. A. I put the phone down when the boss rang back. B. Hardly had I put the phone down when the boss rang back. C. No sooner had I put the phone down when the boss rang back. D. Scarcely had I put the phone down than the boss rang back.