句型：This is a... It has... — 英语选择题
题目
小林在花坛边看到一种植物，想向大家介绍。它是一种花（flower），花瓣是黄色的（yellow），还有长长的叶子。下列哪一句介绍得完全正确？A. This is a tree. It has yellow flowers. B. This is a flower. It has yellow flowers and long leaves. C. This is a flower. It has a long leaves. D. This is a flower. It has green flowers and long leaves.