Answer:
B.) a Smile
Step-by-step explanation:
gesture refers to abcommunication process( non- verbal or non-vocal communication) where we use our body to communicate how we feel to another person.It helps to have intelligent Human Computer Interaction.
Gestures can take place in firm of movement of the part of our body such as face, hand and it is processed by one areas our brain.
It provides a means for everyone to communicate his/her feelings and thoughts, from different perspectives and hostility to to get an affection, most times with body language and it can also be with spoken words.
gesture is a deliberate movement of a part of of ones body such as hand mouth,, to express emotion or information. A gesture is made that in order to express out one's attitude or to make ones intentions known .
Therefore,Smile is the gesture best conveys to a speaker that you are being attentive because it reduce stress from your mind and body. It gives the speaker the sign that you have positive vibes and gives so many positive emotion.