题目内容：
第4题_________
A．Some believe the explosions were the work of Muslim separatists. B．Some believe that several senior army officers loyal to Thaksin plotted the bombings with ousted (赶下台) politicians to discredit (败坏名声) the govemment.
C．Thaksin was ousted in a military coup (政变) last September.
D．The Thai Government has been unable to control the violence, though thousands of troops have been sent to the south.
E．The embassy issued no travel warnings.
F．Nobody is to blame.
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