请选择ABC;W6i5|1s8a.a6A,o Yesterday I __________ my room.(U0R1u+a,|9c2Z)O'Y'C)S1w0J
A. cleaned(U0R1u+a,|9c2Z)O'Y'C)S1w0J
B. clean(U0R1u+a,|9c2Z)O'Y'C)S1w0J
C. cleaning(U0R1u+a,|9c2Z)O'Y'C)S1w0J