The 8 parts of speech are
1. Nouns
2. Pronouns
3. Verbs
4. Adjectives
5. Articles
6. Adverbs
7. Preposition
8. Conjunction
9. Interjections
The figure of speech is a simile.
The two sentences are in opposition: the first says that the speaker likes baseball and the second that the speaker is not very good at it: they could be considered slightly contradictory.
So we need a connective that expresses just that: contradiction: this is "however" - the correct answer is A.
The answer is shoes and feet and lucy