听力题 Four small bombs exploded Sunday at industrial sites in the Basque region in a string of attacks that appeared to have been staged by the armed separatist group ETA, Basque police said. Two policemen and a security guard suffered minor injuries after inhaling toxic fumes at a chemical plant where one of the pre-dawn blasts occurred, police said. The explosions came a day after Spain''s ruling Socialist party said it is seeking other parties'' support for a parliamentary motion supporting the start of talks with ETA if the group renounces violence, although the negotiations would rule out concessions toward ETA''s goal of Basque independence.

单选题 ________was believed to be responsible for the blasts.

单选题 What is the government attitude towards ETA group?