Which statement is false concerning Agrobacterium tumefaciens:

A) It causes the crown gall disease in plants.
B) It carries the Ti plasmid which induces tumors in plants.
C) The vir region of the Ti plasmid integrates into the plant genome
D) The T-DNA segment of the Ti plasmid encodes enzymes for phytohormone synthesis.
E) It is an important vector for making transgenic plants.