1 . 下列句子中有从句的是：

A．Its beautiful countryside excites and inspires all, offering something for each of the senses.

B．Born in the USA on 2 January 1970, Whitacre began studying music at the University of Neveda in 1988.

C．Finding and keeping the right balance between progress and the protection of cultural relics can be a big challenge.

D．I’m also reminded of the danger they are in.

2 . ____________—you can compare styles and prices quickly and easily in the comfort of your living room. （根据句意填空）