Which of the Following Occurred in Response to California's Application

Which of the following occurred in response to California's application for statehood in 1850?

A) President Taylor called a special session of Congress for the purpose of repealing the Missouri Compromise.
B) Some southern politicians wanted to postpone California's admission to the Union and make it a slave territory.
C) Several New England states threatened to secede from the Union if California was admitted as a slave state.
D) Congress adopted an amendment to the California statehood bill that extended the Missouri Compromise line to the Pacific.