利用下图所示的有机物X可生产S-诱抗素Y。下列说法正确的是
| A．Y既可以与FeCl3溶液发生显色反应，又可使酸性KMnO4溶液褪色 |
| B．1 molY与足量NaOH溶液反应，最多消耗3 mol NaOH |
| C．1 molX最多能加成9 molH2 |
| D．X可以发生氧化、取代、酯化、加聚、缩聚反应 |
相关试题
The computer was used in teaching. As a result, not only__________, but students became more interested in the lessons. 
| A．saved was teachers’ energy | B．was teachers’ energy saved |
C．teachers’ energy was saved | D．was saved teachers’ energy |
The children all turned ____ the famous actress as she entered the classroom. 
| A．looked at | B．to look at |
C．to looking at | D．look at |
Edward, you play so well. But I ______ you played the piano. 
| A．didn’t know | B．hadn’t known |
C．don’t know | D．haven’t known |
She brought with her three friends, none of ______ I had ever met before. 
| A．them | B．who | C．whom | D．these |
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