Music appreciation the classical era

The conductor directs the articulation of the music, which is

A. how loudly or softly a musical line is played.

B. how fast a piece is played.

C. how smoothly or detached a musical line is played.

D. how specific notes are begun and ended.

Articulation in music is centered around the flow or continuity of groups of notes; they can be smoothly linked together or played separately with small pausing between each note, for example. A variety of terms exist to convey articulation, such as staccato.

So in this question, the response that relates most to articulation is answer C, how smoothly or detached a musical line is played.

B how fast the piece is played