Your answer would be D my friend
<u>Answer:</u>
<em>Presenting the subject of a fugue in shortened time values is called Diminution.</em>
<u>Explanation:</u>
In Western music and music hypothesis, reduction has four unmistakable implications. Reduction might be a <em>type of adornment</em> wherein a long note is partitioned into a progression of shorter, generally melodic, values.
Diminution is likewise the term for the corresponding shortening of the <em>estimation of individual note-shapes</em> in mensural documentation, either by hue or by an indication of extent.
A <em>minor or flawless interim</em> that is limited by a chromatic semitone is a lessened interim, and the procedure might be alluded to as decrease.
I believe the correct answer is piano.
In the art epoch of Classicism (19th century),
the instrument which was popularized because of its responsive action and
better gradual dynamics was piano. Because of its gradual dynamics, piano
replaced harpsichord and became the favorite instrument of classical sonata.