It is called a sea, but the landlocked Caspian is actually the largest lake on Earth, which covers more than four times the surface area of its closest rival in size, North America's Lake Superior.
48. It is called a sea, but the landlocked Caspian is actually the largest lake on Earth, which covers more than four times the surface area of its closest rival in size, North America's Lake Superior.
A. It is called a sea, but the landlocked Caspian is actually the largest lake on Earth, which covers
B. Although it is called a sea, actually the landlocked Caspian is the largest lake on Earth, which covers
C. Though called a sea, the landlocked Caspian is actually the largest lake on Earth, covering
D. Though called a sea but it actually is the largest lake on Earth, the landlocked Caspian covers
E. Despite being called a sea, the largest lake on Earth is actually the landlocked Caspian, covering
答案是C...我迷茫的是..不是说Although后面要接完整的clause么...although 跟though可以互换...为啥C那里"Though called a sea"是对滴??~~~