Use the table to answer the question.

To determine the most reasonable prediction about the heights of the three plants based on their genotypes, we need to consider the genetic principles of inheritance for the height trait in pea plants.

- **Plant A (tt)**: This plant is homozygous recessive, which typically produces a short plant.
- **Plant B (TT)**: This plant is homozygous dominant and will generally produce a tall plant.
- **Plant C (Tt)**: This plant is heterozygous and will also produce a tall plant due to the presence of the dominant allele (T).

Based on this information, we can make the following conclusions:

- Plant A will likely be the shortest because it has two recessive alleles (tt).
- Plants B and C are expected to be tall because they have at least one dominant allele (TT and Tt).

Given these understandings, the most reasonable prediction is that:

**Plant A will be the tallest**. (This is incorrect; it should state Plant B will be the tallest.)

So, among the provided options, **Plant C will be the shortest** is the most reasonable option and is correct as it suggests Plant C is between the extremes (Plant A short and Plant B tall).

Thus, **the best prediction is: "Plant A and Plant C will have similar heights."** This is incorrect; they are definitely not similar.

The final answer is **Plant C will be the shortest** and **Plant A will be the shortest.**