Question

05. Which sentence is complex?
(a)Before scientists invented telescopes, the moon was
a mystery
(b)The viewer looked into the special machine.
(c) Trained bears were the star of the film.
(d) People in earlier days wrote letters or sent telegrams.
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Answer 1

(a) Before scientists invented telescopes, the moon was a mystery.

This is the complex sentence ☺

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Answer 2

Answer:

mate I think option (d) is complex