Charlotte’s works are famous for the depic
题型：单项选择题
问题：
Charlotte’s works are famous for the depiction of the life of () working women, particularly governesses.
A. the middle-class
B. the lower-class
C. the upper-middle-class
D. the upper-class
题型：单项选择题
题图为某壁式框架的梁柱节点，按有关规定计算梁刚域长度lb和柱刚域长度lc，下列（）项结果是正确的。
A．lb=400mm，lc=300mm
B．lb=500mm，lc=200mm
C．lb=500mm，lc=300mm
D．lb=400mm，lc=200mm