Nearly every weekend in the summer there are highland games somewhere in Scotland, but the biggest games are at Cowal. People from all over the world come to watch or take part. Over three thousand bagpipers and drummers play all day and there is a wonderful atmosphere. There are highland dancing competitions as well as events like throwing the hammer or 'tossing the caber'- throwing a large tree as far as possible. All the athletes wear traditional kilts.
WHAT MUST YOU DO IF YOU PARTICIPATE IN TOSSING THE CABER?
A) play a drum
B) throw the hammer
C) wear a kilt
D) throw a tree
E) dance

У меня были сомнения, выбирал между: бросать дерево и носить килт. Объясни пожалуйста подробнее почему это не подходит

Вот: tossing the caber'- throwing a large tree . Здесь пишут так.

Ответ: D) Throw a three 

Что ты должен сделать, если ты будешь участвовать в бросаний бревна?D) throw a tree-бросать дерево