Assuming that the user-agent was correctly configured as a_smartphone, what syntax in the
theme module definition should be used to include a resource that is specific to this client?

A.
<uri value=”res:/HelloWorld/css/a_smartphone.css” />

B.
<uri smartPhone=”res:/HelloWorld/css/a_smartphone.css” />

C.
<uri userAgent=”smartphone” value=”res:/HelloWorld/css/a_smartphone.css” />

D.
<uri deviceClass=”smartphone” value=”res:/HelloWorld/css/a_smartphone.css” />