There was never any time for Kate to feel lonely, ________ she was an only child.

A.ever since

B.now that

C.even though

D.even as

答案及解析： C

解析：

句意：即使凯特是独生女，在任何时候她从未感到过孤独。Even though/if--in spite of the fact or belief that; no matter whether即使；纵然；尽管。又如：even if I have to walk all the way I'll get there.即使我得一路走着去，我也要走到那里。