Read the text below entitled "Tackling Corruption for Growth and Development" in order to answer questions 57 - 60:

In paragraph 2, institutions are said to be weakened by corruption. In other words, they
- A. seem to be immune to this practice.
- B. have the legal means to prevent it.
- C. remain unaffected by this practice.
- D. are undoubtedly affected by it.
- E. are in charge of legally handling it.