Which of the Following Is True of the Mississippi River

Multiple Choice

Which of the following is true of the Mississippi River and New Orleans?

A) The possibility of a sudden, major shift in the river's course now exists.
B) New Orleans could become a "city without a river."
C) Accumulation of sediments in the Mississippi Delta has caused portions of New Orleans to sink below sea level.
D) All of the above are true.
E) A and B are true.