Question

---- ____ is the Ming Great Wall?
---- About 8850 kilometers.

A．How long

B．How far

C．How high

D．How deep

Answer 1

A   

考查疑问词。How long“多长”；How far“多远”；How high“多高”；How deep “多深”，根据答语表示明长城的长度，可知How long 符合题意。