Directions : In each of the following questions, some part of the sentence may have errors. Find out which part of the sentence has an error. If a sentence is free from error, select No error

Q:

It has been shown that (1)/ very high doses of vitamin C actually (2)/ causes cancer cells to grow. (3)/ No error (4). 

• 1
  1
• 2
  2
• 3
  3
• 4
  4