Masala is a training and development $($T&D$)$ consultant specialising in legal training and he has been contracted to design a T&D programme for a group of senior advocates. The purpose of the T&D is to obtain information about the changes that have occurred over the past two years in the world of law, including legislation and practices.

Which of the following would be appropriate training methods that Masala could use to achieve this purpose?

a$.$ a conference

b$.$ wilderness training

c$.$ a lecture

d$.$ a case study

e$.$ in$-$basket exercises

Choose the correct option:

$1.$ a$,$ c and d

$2.$ a$,$ c$,$ d and e

$3.$ b$,$ c and e

$4.$ b$,$ c$,$ d and e