Both the oil minister’s advice that inventory of heating oil be marked up to meet an impending severe winter as well as the speculation that a major unit may close for a long time due to a major accident, helped heating oil prices surge to record levels last week in the world oil markets
(A) that inventory of heating oil be marked up to meet an impending severe winter as well as the speculation that a major unit may close for a long time due to a major accident, helped heating oil prices surge to record levels last week
Passive voice should be avoided.(B that inventory of heating oil be marked up to meet an impending severe winter and the speculation that a major unit may close for a long time due to a major accident, helped heating oil prices surge to record levels last week
Passive voice should be avoided.© to mark up the inventory of heating oil to meet an impending severe winter along with the speculation that a major unit may close for a long time due to a major accident, helped heating oil prices surge to record levels last week
Correct(D) to mark up the inventory of heating oil to meet an impending severe winter as well as the speculation of a major unit probably closing for a long time due to a major accident, helped heating oil prices surge to record levels last week
speculation and probably should not come together, redundancy.(E) to mark up the inventory of heating oil to meet an impending severe winter coinciding with the speculation that a major unit may probably close for a long time due to a major accident, helped heating oil prices surge to record levels last week
Coincidng is wrong here, we have to tell two things.