In the following passage some of the words have been deleted. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

Sudden changes in the gilts market are (1)______, but when they do happen it can cause (2)_______ problems for certain types of pension scheme, as UK pension savers (3)_______ recently. In addition to raising borrowing costs for the government, the market mayhem following September’s mini-budget (4)______ many pension providers to quickly cash in some of their holdings to try to weather the (5)_____.