Matheus: Our city council is considering whether to zone the last unde

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Matheus - C - stating about density of waterfowl more inside than outside. acting as strengthen one for matheus.
Ramizah - E - attacking one site of waterfowl species wont going to affect that much if there are multiple numbers of sites are present - acting as strengthen one for ramizah.

This question is easy to solve once we find the assumptions with each argument. The way we can help ourselves with such type of questions where there is a counter-argument is by understanding what the counter-argument attacks and this is in most cases based on the first assumption.

In our case, Matheus' conclusion is that the land should become a nature preserve, based on the fact that it is a major nesting area for migratory waterfowl some of which are endangered. If we don't find the assumption right away (either that the industrial project can be started somewhere else OR that the birds cannot nest somewhere else), we can look at what Ramizah is countering and what he is attacking. Ramizah conclusion is unstated, which maybe makes it hard to find the underlying assumption. What he is trying to say is that the city council needs to build there as this is one of the most promising ways to create jobs. After stating his counter-point, Ramizah presents an alternative nesting place, and by providing this alternative, he is attacking one of Matheus' assumptions, namely that the birds cannot nest somewhere else. What is Ramizah assuming? His assumption is that there is no difference in the quality of the nesting places and that the birds will migrate there.

Looking at the answer choices, we see that C provides support for Matheus' assumption that waterfront within the city is the perfect location, as the largest endangered waterfowl population resides there. And E is perfectly complements Ramizah's assumption that there is no difference in the quality of the nesting places as losing the intercity waterfront nesting area is unlikely to reduce the waterfowl population.

why can D) not be the answer for Ramizah? Bunuel chetan2u Bismuth83 would appreciate your expert opinion here!

Matheus himself says that this stretch is the last undeveloped stretch in the city limits. So D says nothing new.

For Matheus , why option A - " city council wants to protect migratory waterfowl " - is incorrect.

Bumping this up, why not A? I'm struggling to understand how I should be thinking of questions such as this since from my perspective, C is somewhat restating what M said whilst A adds to it making it a stronger?