Malnutrition rarely becomes the cause of death in developed countries. __ A A isn-tit B doesn-t it B C . do they D are they E does it E

'E'

## Step 1The problem is a multiple-choice question that tests your understanding of English grammar, specifically the use of auxiliary verbs in forming questions. The sentence given is "Mainutrition rarely becomes the cause of death in developed countries, __". The blank in the sentence is where the auxiliary verb should be placed.## Step 2The subject of the sentence is "Mainutrition", which is singular. Therefore, the auxiliary verb should also be singular. The options given are "isn't it A", "doesn't it B", "do they C", "are they D", and "does it E". ## Step 3The correct auxiliary verb for a singular subject in the present tense is "does". Therefore, the correct option is "does it E". ## Step 4The other options are incorrect because they either use the wrong auxiliary verb or the wrong subject-verb agreement. For example, "isn't it A" and "doesn't it B" use "isn't" and "doesn't", which are used for plural subjects or with "he", "she", or "it". "Do they C" and "are they D" use "do" and "are", which are used for plural subjects.