Cici\textquotesingle s sister is three times as tall as Cici. Cici\textquotesingle s dad is taller than Cici\textquotesingle s sister. If Cici is $1.5$ feet tall, write an inequality to represent Cici\textquotesingle s dad\textquotesingle s height $x$. 
选项为:A:$x \textgreater{} 1.5$  B:$x \textgreater{} 4.5$  C:$x \geq 1.5$  D:$x \geq4.5$  请回答其中一个选项.