Which answer adds a participial phrase to this sentence? before the buzzer, the runner tripped on a shoelace. before the buzzer, the runner tripped on a shoelace and fell on the ground. before the buzzer, the runner tripped on a shoelace dangling from her shoe. before the buzzer, the runner tripped on a shoelace in front of the crowd. before the buzzer, the runner tripped on a shoelace with grace.

The option that adds a participial phrase in the sentence is C) "Before the buzzer, the runner tripped on a shoelace dangling from her shoe."

The participial phrase in this sentence is "dangling from her shoe". Participial phrases start with present or past participle. Present participle is formed by infinitive verb+ing (dangling).

Participial phrases act as adjectives in sentences, modifying a noun. In this sentence, the participial phrase is modifying the noun "shoelace".

  plan: i will begin with a quotation about the importance of unity in a community. then, i will state my claim that an activity will unite our school by creating a shared vision, purpose, and direction. in the body, i will use three main points that describe the different avenues the students can take: through a variety of clubs, through a special event, or through an awareness week. i will provide evidence about other towns that have unity activities and the kinds of events that they include. pictures will illustrate my three main points in action. for the ending, i will restate the main idea in a new way and pose a question to keep the audience thinking. 

a. is the correct answer