濠濮间入口景观设计运用的主要造园手法是什么 What is the major gardening technique used in the entrance design of Hao Pu Creek Garden？

A.主景抬高突出主景 the main scene is raised to highlight the main scene

B.先抑后扬的抑景手法 spatial compress first and then spatial expanding

C.色彩对比突出主景 highlights the main scene by color contrast

D.设置主题景石添景 highlight a theme scene by a rocky landscape