ASAP PLSS
List the sharp key signatures in order starting with one sharp

In musical notation, a key signature is a set of sharp (♯), flat (♭), and rarely, natural (♮) symbols placed together on the staff. Key signatures are generally written immediately after the clef at the beginning of a line of musical notation, although they can appear in other parts of a score, notably after a double barline.

Explanation:

c) from classical art

all options are correct a) b) c) and d)