（1）
The horseshoe is considered a lucky symbol
in English customs. It looks like the other symbols associated with good
fortune in other cultures such as the new moon, half circle or "U".
（2）
Americans love white. They think white is
the symbol of purity. They are fond of the white cat. They think that the white
cat can bring luck to lucky person.
（3）
Wishing upon a wishbone is an ancient
custom. Two people break the wishbone and the one with a bigger piece makes a
wish. The wishbone's shape is just like the letter "Y".
（4）
In ancient days, old boots or shoes were
said to hold the good spirit and courage of their owners. Therefore, it was a
common belief that an old boot was a good luck charm.
（5）
Clover is actually a type of wild plant
with flowers shaped like cotton balls and usually has three leaves on each
stem. In fact, it is very difficult to find a four-leaf clover.
B. 
C. 
E. 
