Can anyone help me with this question?

Question

Franz Schubert quoted the Ländler in his Piano Trio No. 1 in B-flat Major, op. 99, D. 898 by

a) writing tumbling, non-metrical rhythms
b)changing the meter
c) writing alternating 3/4 measures of either notes and quarter notes
d)Stopping, clapping, and yodeling

Answer 1

can someone p

Answer 2

The answer is C

Answer 3

1.C
2.A
3.D

Answer 4

Femboy is right