38. What can we learn about the church-goers from the report?
(A) Between 1980 and 2005, few church-goers were younger than 50.
(B) In 2010, only 6% of church-goers were younger than 50 years old.
(C) In 2020, the percentage (%) of church-goers drops to lower than half that in 1980.
(D) Between 1980 and 2020, the rising number of old church-goers has led to an old church.