Multiple choice

The underlined portion of the following sentence has some errors. Four options are given below the sentence. Choose the correct option to improve the sentence.

While swelling of gums and prolonged pain may be an indicator of leukemia, several sexually transmitted diseases could cause lesions on the tongue.

  1. When swelling of gums and prolonged pain may be an indication of leukemia,

  2. When swelling of gums and prolonged pain may be an indicator of leukemia,

  3. While swelling and prolonged pain of gums may be an indication of leukemia,

  4. When swelling and prolonged pain of gums may be an indicator of leukemia,

  5. No improvement.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

 'Indication' and 'of gums' rectify the errors. Here, 'indication' refers to the 'symptom of disease'. 'Of' and 'gums'  are properly placed.

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