This is how it is found in the book. Based on it, answer. Is it C or D?

Table 5.2 Qualitative versus Quantitative Research QUALITATIVE RESEARCH QUANTITATIVE RESEARCH "Soft" data "Hard" data Usually uses open-ended questions, unstructured Usually uses close-ended questions, requires forced choices, highly structured Exploratory in nature;probing, fishing-expedition Descriptive or explanatory type of research type of research Usually valid, but not reliable Usually valid and reliable Rarely projectable to larger audiences Usually projectable to larger audiences Generally uses nonrandom samples Generally uses random samples Examples: Focus groups; one-on-one, in-depth interviews; Examples: Telephone polls, mailed surveys, mall intercept observation; participation; role-playing studies; studies, face-to-face interviews, shared cost, or omnibus convenience polling; social media participation studies; panel studies; digital analytics 30. Quantitative research is in nature: A-Probing B- Fishing C- Descriptive D- Exploratory