Express in the simplest form. \[\frac{9}{10}(30+5t)+\frac{5}{6}(18t-12)\]

• A. \[-17+\frac{39}{2}t\]
• B. \[17t-\frac{39}{2}\]
• C. \[\left( 17+\frac{39}{2}t \right)\]
• D. \[17t+\frac{39}{2}\]