Final answer:
Robert Frost's poems can have varying numbers of stanzas, but many of his famous poems consist of four stanzas.
Step-by-step explanation:
The poem 'Robert Frost' does not specify the number of stanzas, as the number of stanzas can vary depending on the specific poem. However, Frost's poems often consist of multiple stanzas. For example, his well-known poem 'Stopping by Woods on a Snowy Evening' has four stanzas. Another famous poem, 'The Road Not Taken,' also has four stanzas. Therefore, the correct answer is option A. 4 stanzas.
Learn more about Stanzas in Robert Frost's poems