034. In the seventeenth century the organ, the clavichord, and the harpsichord became the chief instruments of the keyboard group, a supremacy they maintained until the piano supplanted them at the end of the eighteenth century.

The words "a supremacy" in line 9 are closest in meaning to

(A) a suggestion

(B) an improvement

(C) a dominance

(D) a development

035. A series of mechanical improvements continuing well into the nineteenth century, including the introduction of pedals to sustain tone or to soften it, the perfection of a metal frame, and steel wire of the finest quality, finally produced an instrument capable of myriad tonal effects from the most delicate harmonies to an almost orchestral fullness of sound, from a liquid, singing tone to a ship, percussive brilliance.

The word "myriad" is closest in meaning to which of following?

(A) noticeable

(B) many

(C) loud

(D) unusual