Leia o seguinte texto. Borrowing to invest involves great _______________. Making an investment purchase on your credit card or using a credit card for a cash advance is similar to borrowing money but at a very high interest rate.

Glossary:
1. Borrowing: tomar [dinheiro] emprestado
2. Purchase: compra
3. Cash advance: adiantamento em dinheiro
4. Interest rate: taxa de juros
The correct alternative to complete the blank in the text is:
a) risk
b) risking
c) risked
d) riskily
e) risky