Answer:
Option A. The most effective way to vary the sentences in the passage is to begin the sentences with different parts of speech.
Step-by-step explanation:
In the excerpt, every sentence but the first 3 begin with the same noun; tulip. In order to make the passage more versatile and dynamic, the author could use different parts of speech to begin the different sentences, so that reading the excerpt does not become a tedious task. Parts of speech can include nouns, adjectives, verb, adverbs, conjunctions, prepositions and intersections.