In many cultures, a handshake can create trust between people. Engineer Jojo Avelino and his team are designing a robot to shake hands with a human in order to improve human-robot interactions. The robot hand adjusts its movements and pressure to better imitate the feel of a human hand. The researchers want the robot's handshake to feel realistic because ______
Which choice most logically completes the text?

A. people are less likely to interact with robots that don't look like humans.
B. it's easier to program a robot to perform handshakes than it is to program a robot to perform some other types of greetings.
C. the robot in the researchers' study may have uses other than interacting with humans.
D. lifelike handshakes may make people more comfortable interacting with robots.