Microsurgery,a Fundamental Tool in Reconstructive Plastic Surgery,allows an Almost Unlimited

Microsurgery,a fundamental tool in reconstructive plastic surgery,allows an almost unlimited choice of reconstructive methods,replacement of lost tissue with similar components,and optimal selection of donor sites with minimal morbidity.Today's surgeons skilled in microsurgery can successfully anastomose the ends of a vessel or nerve measuring less than:

A) 2 mm.
B) 1.5 mm.
C) 1 mm.
D) 0.5 mm.