Answer:
ideal!
Explanation:
the other ones carry negative connotations. when something is ideal, it is perfect or desirable.
The best answer would be A.
The entire excerpt describes the speaker's admiration of the structure, not just of its physical beauty but the history that came with it. This first part of the excerpt details the "recent rust". It is old and a bit rundown, but still very familiar to the speaker. The last part describes how the speaker is trying hard to imagine what the great house looked like when it was newly built --"early shine".
<span>It is explicit because it is directly stated in the paragraph.</span>