单选题 What is the value of 5x2-1.9x-3.7 for x=-0.3?
A. -4.72
B. -3.82
C. -3.58
D. -2.68
E. 0.57

【正确答案】 D
【答案解析】The equation 5×[(-0.3)×(-0.3)]-1.9×(-0.3)-3.7=0.45+0.57-3.7=-2.68.