(2013·福建高考)The famous musician, as well as his students, ________ to perform at the opening ceremony of the 2012 Taipei Flower Expo.

A．were invited

B．was invited

C．have been invited

D．has been invited

“道虽迩，不行不至；事虽小，不为不成。”从认识论角度看，这句话主要强调了（　　）

A．科学理论的重要性

B．实践的重要性

C．认识的根本任务是由感性认识上升到理性认识

D．人民群众是实践的主体