Chrome vanadium steels usually contain 0.8 to 1.1% Cr, 0.25 to 0.35% C and < 0.25% V. It is ______________________?

A. Used for making axle & shafts of aeroplanes, automobiles and locomotives
B. Having poor fatigue resistance
C. Having poor toughness
D. Not helpful in producing cleaner steel due to oxidising action of vanadium