$[3$pt$]$ Which of the following expressions will lead to an error?

Author: MK$,$ Editor$($s$)$: JFM

Question $2$Answer

a$.$

int$(1\mathrm{.}7)$

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b$.$

int$($True$)$

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c$.$

float$(\text{'}$fred$\text{'})$

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d$.$

float$(\text{'}3\mathrm{.}33\text{'})$

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e$.$

str$(9\mathrm{.}99)$