Error!!??

"One of these sentences contains error in Verb Forms.
A. The Russian Revolution of 1917 overthrowed Czar Nicholas II.
B. Salt and pepper shakers were set within reach of each couple sitting at the banquet table.
C. King George II is said to have been so stirred by the "Hallelujah Chorus" that he rose to his feet when he heard it.
D. In some towns, leaves raked into the street are swept up into trucks, compacted, and then thrown into landills.
I think the answer is A instead of overthrowed, i think overthrew.