Is there a right or wrong answer or can it be your opinion?
D. chlorophyll is the main source of light in photosynthesis
MRNA carries a transcript of the needed amino acids to tRNA and then to the rRNA ribosomal component.
The pair of magnets and a pair of water molecules are most likely similar. It is because the pair of magnets connects positive to negative and negative to positive, which is also similar to water molecules where they also connect to positive to negative.