Mark the sentence from the text that is an example of comparative form.
- A Owned or controlled by an ‘employer’. (line 18)
- B Most child marriages can be considered slavery. (lines 58 and 59)
- C [...] people are much more vulnerable to slavery[...] (lines 74 and 75)
- D [...] that need to be taken to end slavery across the world. (lines 86 and 87)