单选一道(the special medicine)The special medicine for the disease was difficult to find though ______ everywhere.a soughtb being sought选什么?为什么?

单选一道(the special medicine)The special medicine for the disease was difficult to find though ______ everywhere.a soughtb being sought选什么?为什么?
单选一道(the special medicine)
The special medicine for the disease was difficult to find though ______ everywhere.
a sought
b being sought
选什么?为什么?

单选一道(the special medicine)The special medicine for the disease was difficult to find though ______ everywhere.a soughtb being sought选什么?为什么?
The special medicine for the disease was difficult to find though sought everywhere
治疗这种疾病的特殊药品很难找到（尽管到处寻求)
The special medicine for the disease was difficult to find though being sought everywhere
治疗这种疾病的特殊药品很难找到(虽然正在寻求世界各地)

a~
没有必要用being表现在啊~