I believe A is the most correct (i assume it's about antibiotics - they actually DO harm our immune system in some way).
B is partially correct because, the colds indeed should be treated by anti-viral medication (because the virus is a cause of typical cold) but using antibiotics during recovery is needed only when an additional bacterial infection occurs as a complication after the viral infection. and it doesn't happen very often.
C - what works? antibiotics doesn't work for viral infections (colds). anti-viral medication do.
D i won't discuss.
I am sorry for a so long answer. but your question is so linguistically twisted that i am not sure which of the following choices is actually correct because of a big amount of mistakes.
Answer: NO.Not a MONOPHYLETIC group yet.
This because MYRIMICA one of the decendant of most common ancestors of this group has been left out.Therefore MYRIMICA should be added.
Explanation:
Answer: The answer is (D) Hypothesizing
Explanation: You're supposed to plan the outcome of your experiments before performing it
It makes a person with HIV more able to pass it along. HSV could act as a co-factor to HIV which makes it easier It increases the viral load of HIV and also, HIV would be present in herpes blisters. Genital shedding seen on HIV patients may be increased if they also have herpes.