If the mean of symmetrical distribution is 28. which of these values could be the median of the distribution?

In a symmetrical distribution mean=median=mode, so the median could be 28

The  answer is : because they only had one pair of trunks. 

If you put this letters on your worksheet, each one of them will
correspond to a number, and those numbers are the answers to the
questions on the worksheet. 

This is a play of words because "trunk" means both clothes to swim in and a  appendage of the elephants.