Ceylon had been independent for 24 years. Then its...

Câu hỏi: Ceylon had been independent for 24 years. Then its name was changed to Sri Lanka.

A Ceylon had been independent for 24 years after its name was changed to Sri Lanka

B Ceylon was independent 24 years ago when its name was changed to Sri Lanka

C By the time Ceylon was independent for 24 years, its name had been changed to Sri Lanka

D After Ceylon had been independent for 24 years, its name was changed to Sri Lanka