Please read the whole thing and take your time I’ll give you 100 points just so y’all can help me (I’m really struggling)

Syntax is a form of grammar. It is concerned primarily with word order in a sentence and with the agreement of words when they are used together. So it is, in a sense, acting as a kind of 'police officer' for the way in which sentences are constructed

a connected or orderly system : harmonious arrangement of parts or elements the syntax of classical architecture. 3 : syntactics especially as dealing with the formal properties of languages or calculi.

Explanation:

a connected or orderly system : harmonious arrangement of parts or elements the syntax of classical architecture. 3 : syntactics especially as dealing with the formal properties of languages or calculi.

the answer is a because the astrophel does more and sidney goes to the astrophel more than stella.