Multiple choice

Launched in 1997, the site increased its traffic more than double since then, and its revenue.

  1. increased its traffic more than double since then,

  2. has since increased its traffic more than double,

  3. has since more than doubled its traffic

  4. since then more than doubled its traffic

  5. more than doubled its traffic since then
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Only option (3) uses present perfect tense to indicate that a process that started in 1997 and has some effects continuing till now. Hence (3)

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