【单选题】
How about deducting 10 bundles,()is to say 50 bundles partly rusty?
A、it
B、this
C、that
D、which
A、it
B、this
C、that
D、which
A、How ofen do the course? B、How about the flavour of this course? C、How long does it preparefor dinner? D、How long does it take to cook this course?