Good afternoon. I’m ______to inquire about the four-bedroom house you ______ in the newspaper.

A．called; advertised

B．called; advertising

C．calling; advertising

D．calling; advertised

管程设计压力大于壳程设计压力的换热器，图样上应对换热管与管板连接接头的试验方法和试验压力提出详细要求。