Pocoyo Bakes Cookies and Pato Grows Vegetables

Multiple Choice

Pocoyo bakes cookies and Pato grows vegetables.In which of the following cases is it impossible for both Pocoyo and Pato to benefit from trade?

A) Pocoyo does not like vegetables and Pato does not like cookies.
B) Pocoyo is better than Pato at baking cookies and Pato is better than Pocoyo at growing vegetables.
C) Pato is better than Pocoyo at baking cookies and at growing vegetables.
D) Both Pocoyo and Pato can benefit from trade in all of the above cases.