A Londoner has more difficulty understanding a Scotsman from

A Londoner has more difficulty understanding a Scotsman from Glasgow than understanding a New York
Turn on the television or open a magazine and you ____ advertisements showing happy families .A.will often see B.often see C.are often seeing D.have often seen 选A还是B
写错了，
1 A Londoner has more difficulty understanding a Scotsman from Glasgow than understanding a New York
为什么是difficulty不是复数
2.Turn on the television or open a magazine and you ____ advertisements showing happy families .A.will often see B.often see C.are often seeing D.have often seen 选A还是B