简答题：An average of 52．4%of domestic travelers went on sightseeing

An average of 52．4%of domestic travelers went on sightseeingtours during this year．all increase of 8．7%compared with the previous year．
A．全年国内居民出游率达52．4%，增至去年的8.7%。
B．全年国内居民出游率达52．4%，比上一年增长了8．7%。
C．全年来中国境内旅游达到52．4%，比上一年增长了8．7%。
D．大约有52．4%的国内居民选择在今年观光旅游，是上一年的8．7%。