AIDS cannot be transmitted by:
Hugs
The correct option is B.
Explanation of correct option:
Explanation of incorrect options:
Option A:
This option is incorrect because sexual contact involves exposure to the body fluids of the infected person and can thus transmit AIDS.
Option C:
This option is incorrect because an infected mother can pass on AIDS to her child via breast milk.
Option D:
This option is incorrect because transfusion of contaminated blood and blood products can transmit AIDS.
Final answer: AIDS cannot be transmitted by hugs.