①发明指南针 ②造纸技术 ③烧制陶瓷 ④火药的发明 ⑤青铜器的制造.
A:①②③④⑤
B:②③④⑤
C:①②③④
D:③④⑤
— Tom, look at those two girls!
—Oh, they look_________ because they are twin sisters.