5.Melatonin may increase symptoms associated with autoimmune diseases , so individuals with these disorders -from taking melatonin. A)must be refraining B)may have refrained C) would refrain D) could have refrained E) ought to refrain

Question

5.Melatonin may increase symptoms associated with autoimmune diseases , so individuals with these disorders -from taking melatonin. A)must be refraining B)may have refrained C) would refrain D) could have refrained E) ought to refrain

Answer 1

## Step 1The problem is a multiple-choice question that tests your understanding of modal verbs in English. The modal verbs in question are 'ust', 'ay', 'would', 'could', and 'ought to'. Each of these verbs implies a different level of necessity or possibility.## Step 2The sentence in question is "Melatonin may increase symptoms associated with autoimmune diseases, so individuals with these disorders - from taking melatonin." The modal verb 'ay' in this sentence implies a possibility, not a certainty.## Step 3Given the context of the sentence, we need to choose the option that best fits the implication of 'ay'. The correct answer is 'ought to refrain', a strong recommendation or advice, not a strict necessity.

Soru

5.Melatonin may increase symptoms associated with autoimmune diseases , so individuals with these disorders -from taking melatonin. A)must be refraining B)may have refrained C) would refrain D) could have refrained E) ought to refrain

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