my answer here would be A)
Answer:
The simple subject is dollars
Explanation:
The simple subject is the noun or pronoun in the sentence that stands alone. In the sentence given, the clause,<em> </em><em>billions of tax dollars, stands as the subject of the sentence. The simple subject is the 'dollars' that was described by the other preceding descriptors. </em>
<em />
The predicate is, spent on dollar exploration. The simple predicate is spent. The predicate is the verb that stands alone in the sentence and describes the action.
Has Andrea forgotten her umbrella?
She might have told the king about the danger to the baby
You can conclude that Rita enjoys being active and being around friends and family, so when she didn't have anything to do the rest of the summer she grew bored and lazy, which caused her to count and dwell on the fact that her friends weren't with her and how many days were left until they were.