Ariver in sw asia, flowing from e turkey through syria and iraq, joining the tigris to form the shatt-al-arab near the persian gulf. 1700 miles (2735 km) long. what is that river?

The Euphrates River

Explanation:

The Euphrates River is one of the longest and most important rivers in Western Asia. It is one of the two defining rivers in Mesopotamia. The other is the Tigris. In ancient times, these rivers were very important because they provided water to grow crops. Now, the Euphrates River is significantly smaller than it was in the past due to a two-year drought and misuse by farmers.

themselves

an intensive pronoun is a pronoun that ends in self or selves, such as himself, herself, themselves, yourself, ourselves. since band members is a third person plural, the correct intensive pronoun would be themselves. if the band was talked about as a collective noun, itself would be the appropriate intensive pronoun. intensive pronouns are used to add emphasis to the noun it's modifying which is why it directly follows it.

i think the answer is d.