C) historical background associated with the park
Answer:
Complex Sentence
Declarative Sentence
Explanation:
The sentence is declarative because it makes a statement, instead of asking a question (Interrogative Sentence), making a command (Imperative Sentence), or communicating a strong emotion (Exclamatory Sentence).
It´s also a complex sentence, not a simple, compound nor Compound-Complex Sentence because it has one independent clause (Steve paced impatiently) and one dependent clause (Hoping his mother would arrive soon).
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Intelligent because most of it is mentioning education and how this little girl is very smart and always has books.