Truffles Are the Fruiting Bodies of Certain Fungi Whose Mycelium

Truffles are the fruiting bodies of certain fungi whose mycelium grows below ground. The truffle is also underground and can be detected by many mammals, which eat the truffle and expel the spores with their faeces. Which of the following statements is likely accurate with respect to this interaction?

A) The truffle spores are probably wind dispersed.
B) Truffles produce an odour that mammals can detect and find attractive.
C) Truffles probably produce toxins that can harm the mammals that eat them.
D) Truffle fruiting bodies are important in the decomposition of wood.