将抛物线y=x²+3向左平移1个单位长度后，得到的抛物线的解析式是[ ]

A.y=x²+4

B.y=x²+2

C.y=（x-1）²+3

D. y=（x+1）²+3

I don't like stories _____ have unhappy endings.            [ ]

A. who

B. that

C. where

D. those