According to paragraph 2 (lines 7-18), the overall reason for Petrobras to postpone disclosing its

According to paragraph 2 (lines 7-18), the overall reason for Petrobras to postpone disclosing its 2009-13 strategic plan was announced to be the

a

significantly lower oil prices.

b

development of the new oil finds.

c

difficult long term cost calculations.

d

drying up of international financing.

e

technological and geological challenges.

Próxima Questão