What should come in blank (2) ?

In the following question, some of the words in the passage have been left out. Read the passage carefully and choose the correct word for each blank, out of the four alternatives and fill in the blanks.

After falling consistently _____________(1) the U.S. dollar for a major part of the year, the rupee has _____________(2) somewhat over the last few weeks. It has risen by almost 5% from its lowest levels _____________(3). This recent improvement, the rupee is still down about 11% since the start of the year. The rupee's performance has in October. Even with been closely ______________ (4) to global crude oil prices. This makes sense, as imported oil accounts for about 80% of India's total demand. The value of the rupee dropped when oil prices climbed earlier this year, a trend that lasted until early October. Since then, as global crude prices have fallen, the rupee has ____________ (5) against the dollar.