Final answer:
Black pudding, part of the full Irish breakfast, may not be liked by everyone due to its unique taste and texture, as it's made from blood.
Step-by-step explanation:
One component of the full Irish breakfast that some people may not like is black pudding.
Black pudding is a type of blood sausage that is made from pork blood, pork fat or beef suet, and a cereal, usually oatmeal, oat groats, or barley groats.
Since black pudding is made of blood, it tends to have a very distinct taste and texture, which might not be appealing to everyone.
Other items typically found in a full Irish breakfast, like grilled tomatoes, poached mushrooms, and baked beans, are generally less controversial, although individual preferences can of course vary.
correct option a) Black pudding