A good education is the trunk for a good life
They both share valid information about a specific object
The t-shirt that they give only to people who finish is a big reason that so many people take up the challenging race.
This paraphrase presents the same information as in the sentence, but since it should be a bit more of a summary, it takes out the specific detail of how many people actually run the race, which can just be paraphrased into 'so many'.
Answer:
1. Worried that he would be late, Christopher crammed books into his backpack.
Explanation:
Participial phrases are those phrases that contain the participle form of the verb, modifying the subject in the sentence. This means that participial phrases are the modifiers of the nouns or pronouns of the sentence.
Among the given sentences, the sentence that correctly uses a participial phrase and describe the subject is sentence 1. In this sentence, the phrase <em>"worried that he would be late" </em>is the participial phrase that describes the subject <em>"Christopher"</em>.
Thus, the correct answer is option 1.