I agree with the person above.
1. D. Estos pantalones son muy bonitos. (These pants are beautiful) - estos is used for masculine nouns in plural, and it means - this one here; esas for feminine nouns in plural, and it means - this one here; aquellas for feminine nouns in plural, and it means - that one over there; and esa is used for feminine nouns in singular form, and it means - this one here.
2. Te gusta C. aquella blusa que esta enseguida del vestido verde? (Do you like that blouse over there which is next to the green dress?)
