Fill in the blank spaces in the following sentences making use of the best of the five option:

The telephone .... in the nineteenth century and is now used in most countries in the world

  • A had been invented
  • B was invented
  • C would have been invented
  • D has been invented
  • E was being invented

The correct answer is B. was invented

The sentence talks about a specific event in the past, the invention of the telephone.

The past simple tense ("was invented") is used to describe actions that were completed in the past and have no connection to the present.

In this context, it indicates that the invention of the telephone happened in the past.

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