Read the following context and choose the best option to answer the question.
Context: Her expression breaks into a grin , broad and bright , at the flourish , and then freezes stiff . She looks down at the magazine , hands still in her lap . She looks up at Bahir . Bahir bites his lower lip , chin dipping as he looks up at Natalie through his lashes . There is a minute scuff of his toe .
Question: Why is there tension between the two ?
Options: 
A. They are fuming at one another .
B. They are mad at one another .
C. They are competing against one another .
D. They are turned on .


D