The mRNA brings the message that was transcribed by the DNA to the ribosome, while the tRNA brings the anticodon to translate the message.
Symptoms of depression include having a loss of energy, change in appetite or weight particularly noticeable weight gain or loss, trouble focussing, feelings of hopelessness, and loss of daily interest in activities.
Communication. When you communicate with someone you talk to each other. However if you are listening to someone's problems and helping them through something by sharing feelings this can also be caring, so it's up to interpretation.
I believe the answer is C