Just like congress is the legislative branch of the federal government of the USA, so parliament is the legislative body of the UK

a)..
b) As congress is the legislative branch of the federal government of the USA,
c) As congress is the legislative branch of the federal government of the USA, in the same way
d) Just as congress is the legislative branch of the federal government of the USA, so
e) Just as the federal government of the USA's legislative branchis congress,