A:hel
B:have been helping
C:helped
D:was helping
The meeting ____ (hold) this afternoon.
(文)已知y=f(x)是偶函数,y=g(x)是奇函数,它们的定义域均为﹣3,3,且它们在x∈0,3上的图象如图所示,则不等式 f(x)g(x)<0 的解集是____