Compared with his sister, Jerry is even more ___to, and more easily troubled by,emotional and

relationship problems.     [ ]

A. skeptical                      

B. addicted

C. available                      

D. sensitive

根据《广东省计算机信息系统安全保护条例》，计算机信息系统（）应当同步落实相应的安全措施。

A.规划

B.设计

C.建设

D.维护