Need help on these I could not figure out please!!!!

1. A diet high in animal products and hydrogenated vegetable margarine may increase the risk for heart disease. This is because

A) most animal fats are unsaturated and most hydrogenated vegetable margarines contain high levels of steroids.
B) most hydrogenated vegetable margarines are hydrogenated oils and most animal products contain high levels of phospholipids.
C) most animal fats are used for energy storage and most hydrogenated vegetable margarines contain high levels of unsaturated fats.
D) most animal fats are saturated and many hydrogenated vegetable margarines contain high levels of trans fats.

2. Which statement regarding genotypes and phenotypes is false?

A) The genetic makeup of an organism constitutes its genotype.
B) An organism with two different alleles for a single trait is said to be homozygous for that trait.
C) Alleles are alternate forms of a gene.
D) The expressed physical traits of an organism are called its phenotype.

3. Which scenario (situation?) of bacterial infection would be associated with the most positive outcome for treatment? The disease was acquired in a

A) hospital, where most of the bacteria are probably already weakened by antibiotics in the environment.
B) livestock barn where the animals have been treated with antibiotics.
C) big city where antibiotics are routinely prescribed by doctors.
D) remote, sparsely populated area where the bacteria have not been exposed to antibiotic drugs.