The correct option is B Delicious
Let's understand the meaning of all the given adjectives in order to be able to pick the odd one out. DELICIOUS - It is an adjective, which is used when the food tastes good/tasty. INSIPID - It is an adjective, which is used when the food is tasteless. BLAND - It is an adjective, which is used when the food is spice-less. TASTELESS - It is an adjective, which is used when the food has no taste. Since option B, C and D have almost the same meaning, option A is the odd one out. Thus the correct answer is option A - Delicious.